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User Manual: Strata CTX100

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TOSHIBA

Digital Solutions Division

Digital Business Telephone Systems

CTX28, CTX100-S, CTX100 and CTX670
General Description

October 2004

Strata CTX28, CTX100 and CTX670
General End User Information
The Strata CTX100 or CTX670 Digital Business Telephone System is registered in
accordance with the provisions of Part 68 of the Federal Communications
Commission’s Rules and Regulations.

one line should not exceed five (5.0B). To be certain of the number of devices
you may connect to your line, as determined by the REN, you should contact
your local telephone company to ascertain the maximum REN for your calling
area.
3. Network connection information USOC jack required: RJ11/14C,
RJ21/2E/2F/2G/2HX/RJ49C (see Network Requirements in this document). Items
2, 3 and 4 are also indicated on the equipment label.

FCC/ACTA Requirements

4. Authorized Network Parts: 02LS2/GS2, 02RV2-T/O, OL13C/B, T11/12/31/32M,
04DU9-BN/DN/1SN, 02IS5, 04DU9-BN/DN/1SN1ZN

Means of Connection: The Federal Communications Commission (FCC) /
Administrative Council Terminal Attachments (ACTA) has established rules which
permit the Strata CTX100 or CTX670 system to be connected directly to the telephone
network. Connection points are provided by the telephone company—connections for
this type of customer-provided equipment will not be provided on coin lines.
Connections to party lines are subject to state tariffs.
Incidence of Harm: If the system is malfunctioning, it may also be disrupting the
telephone network. The system should be disconnected until the problem can be
determined and repaired. If this is not done, the telephone company may temporarily
disconnect service. If possible, they will notify you in advance, but, if advance notice is
not practical, you will be notified as soon as possible. You will be informed of your
right to file a complaint with the FCC.

Radio Frequency Interference
Warning: This equipment generates, uses, and can radiate radio frequency energy and if
not installed and used in accordance with the manufacturer’s instruction manual, may
cause interference to radio communications. It has been tested and found to comply
with the limits for a Class A computing device pursuant to Subpart J of Part 15 of FCC
Rules, which are designed to provide reasonable protection against such interference
when operated in a commercial environment. Operation of this equipment in a
residential area is likely to cause interference, in which case, the user, at his/her own
expense, will be required to take whatever measures may be required to correct the
interference.
This system is listed with Underwriters Laboratory.

Service or Repair: For service or repair, contact your local Toshiba telecommunications
distributor. To obtain the nearest Toshiba telecommunications distributor in your area,
log onto www.toshiba.com/taistsd/locator.htm or call (800) 222-5805 and ask for a
Toshiba Telecom Dealer.

UL Requirement: If wiring from any telephone exits the building or is
subject to lightning or other electrical surges, then secondary protection
is required. Secondary protection is also required on DID, OPS, and Tie
lines. (Additional information is provided in this manual.)

Telephone Network Compatibility: The telephone company may make changes in its
facilities, equipment, operations, and procedures. If such changes affect the
compatibility or use of the Strata CTX100 or CTX670 system, the telephone company
will notify you in advance to give you an opportunity to maintain uninterrupted
service.

Important Notice — Music-On-Hold

Notification of Telephone Company: Before connecting a Strata CTX100 or CTX670
system to the telephone network, the telephone company may request the following:
1. Your telephone number.
2. FCC registration number:

• Strata CTX100 or CTX670 may be configured as a Key, Hybrid or PBX
•
•

•
•
•

•

telephone system. The appropriate configuration for your system is dependent
upon your operation of the system.
If the operation of your system is only manual selection of outgoing lines, it may
be registered as a Key telephone system.
If your operation requires automatic selection of outgoing lines, such as dial
access, Least Cost Routing, Pooled Line Buttons, etc., the system must be
registered as a Hybrid telephone system. In addition to the above, certain
features (tie Lines, Off-premises Stations, etc.) may also require Hybrid
telephone system registration in some areas.
If you are unsure of your type of operation and/or the appropriate FCC
registration number, contact your local Toshiba telecommunications distributor
for assistance.
CTX28 FCC/ACTA Registration Numbers
Hybrid: CJ6MF03BDTCHS28, fully-protected multifunction systems
Key: CJ6KD03BDTCHS28, key systems for analog applications
CTX100 Registration Numbers
PBX: CJ6MUL-35931-PF-E, fully-protected PBXs
Hybrid: CJ6MUL-35930-MF-E, fully-protected multifunction systems
Key: CJ6MUL-35929-KF-E, fully-protected telephone key systems
CTX670 Registration Numbers
PBX: CJ6MUL-35934-PF-E, fully-protected PBXs
Hybrid: CJ6MUL-35933-MF-E, fully-protected multifunction systems
Key: CJ6MUL-35932-KF-E, fully-protected telephone key systems
Ringer equivalence number: 0.3B. The ringer equivalence number (REN) is
useful to determine the quantity of devices which you may connect to your
telephone line and still have all of those devices ring when your number is
called. In most areas, but not all, the sum of the RENs of all devices connected to

CP01, Issue 8, Part I Section 14.1
Notice: The Industry Canada label identifies certified equipment. This certification
means that the equipment meets certain telecommunications network protective,
operational and safety requirements as prescribed in the appropriate Terminal
Equipment Technical Requirements document(s). The Department does not guarantee
the Equipment will operate to the user’s satisfaction.
Before installing this equipment, users should ensure that it is permissible to be
connected to the facilities of the local telecommunications company. The equipment
must also be installed using an acceptable method of connection. The customer should
be aware that compliance with the above conditions may not prevent degradation of
service in some situations.
Repairs to certified equipment should be coordinated by a representative designated by
the supplier. Any repairs or alterations made by the user to this equipment, or
equipment malfunctions, may give the telecommunications company cause to request
the user to disconnect the equipment.
Users should ensure for their own protection that the electrical ground connections of
the power utility, telephone lines and internal metallic water pipe system, if present, are
connected together. This precaution may be particularly important in rural areas.

CAUTION!

Users should not attempt to make such connections themselves, but
should contact the appropriate electric inspection authority, or
electrician, as appropriate.

CP01, Issue 8, Part I Section 14.2
Notice: The Ringer Equivalence Number (REN) assigned to each terminal device
provides an indication of the maximum number of terminals allowed to be connected to
a telephone interface. The terminal on an interface may consist of any combination of
devices subject only to the requirement that the sum of the Ringer Equivalence
Numbers of all the Devices does not exceed 5.

Toshiba America Information Systems, Inc., Digital Solutions Division, reserves the
right, without prior notice, to revise this information publication for any reason,
including, but not limited to, utilization of new advances in the state of technical arts or
to simply change the design of this document.

Toshiba America Information Systems, Inc.
Digital Solutions Division
All rights reserved. No part of this manual, covered by the copyrights hereon, may be
reproduced in any form or by any means—graphic, electronic, or mechanical,
including recording, taping, photocopying, or information retrieval systems—without
express written permission of the publisher of this material.
Strata and SmartMedia are registered trademarks of Toshiba Corporation.
Stratagy is a registered trademark of Toshiba America Information Systems, Inc.
Trademarks, registered trademarks, and service marks are the property of their
respective owners.

CTX-GD-GNDES-VF
4010471
Version F.2, October 2004

In accordance with U.S. Copyright Law, a license may be required from
the American Society of Composers, Authors and Publishers, or other similar
organization, if radio or TV broadcasts are transmitted through the music-on-hold
feature of this telecommunication system. Toshiba America Information Systems, Inc.,
hereby disclaims any liability arising out of the failure to obtain such a license.

Publication Information

Further, Toshiba America Information Systems, Inc., Digital Solutions Division, also
reserves the right, without prior notice, to make such changes in equipment design or
components as engineering or manufacturing methods may warrant.

TOSHIBA AMERICA INFORMATION SYSTEMS, INC. (“TAIS”)
Digital Solutions Division License Agreement
IMPORTANT: THIS LICENSE AGREEMENT (“AGREEMENT”) IS A LEGAL AGREEMENT BETWEEN YOU (“YOU”) AND TAIS. CAREFULLY READ THIS LICENSE AGREEMENT. USE OF ANY
SOFTWARE OR ANY RELATED INFORMATION (COLLECTIVELY, “SOFTWARE”) INSTALLED ON OR SHIPPED WITH A TAIS DIGITAL SOLUTIONS PRODUCT OR OTHERWISE MADE AVAILABLE TO
YOU BY TAIS IN WHATEVER FORM OR MEDIA, WILL CONSTITUTE YOUR ACCEPTANCE OF THESE TERMS, UNLESS SEPARATE TERMS ARE PROVIDED BY THE SOFTWARE SUPPLIER. IF
YOU DO NOT AGREE WITH THE TERMS OF THIS LICENSE AGREEMENT, DO NOT INSTALL, COPY OR USE THE SOFTWARE AND PROMPTLY RETURN IT TO THE LOCATION FROM WHICH YOU
OBTAINED IT IN ACCORDANCE WITH APPLICABLE RETURN POLICIES. EXCEPT AS OTHERWISE AUTHORIZED IN WRITING BY TAIS, THIS SOFTWARE IS LICENSED FOR DISTRIBUTION ONLY
TO END-USERS PURSUANT TO THIS LICENSE AGREEMENT.
1. License Grant. The Software is not sold; it is licensed upon payment of applicable charges. TAIS grants to you a personal, non-transferable and non-exclusive right to use the copy of the Software
provided under this License Agreement. You agree you will not copy the Software except as necessary to use it on one TAIS system at a time at one location. Modifying, translating, renting, copying,
distributing, transferring or assigning all or part of the Software, or any rights granted hereunder, to any other persons and removing any proprietary notices, labels or marks from the Software is strictly
prohibited; You agree violation of such restrictions will cause irreparable harm to TAIS and provide grounds for injunctive relief, without notice, against You or any other person in possession of the Software.
You and any other person whose possession of the software violates this License Agreement shall promptly surrender possession of the Software to TAIS, upon demand. Furthermore, you hereby agree not
to create derivative works based on the Software. TAIS reserves the right to terminate this license and to immediately repossess the software in the event that You or any other person violates this License
Agreement.
2. Intellectual Property. You acknowledge that no title to the intellectual property in the Software is transferred to you. You further acknowledge that title and full ownership rights to the Software will remain
the exclusive property of TAIS and/or its suppliers, and you will not acquire any rights to the Software, except the license expressly set forth above. You will not remove or change any proprietary notices
contained in or on the Software. The Software is protected under US patent, copyright, trade secret, and/or other proprietary laws, as well as international treaties. Any transfer, use, or copying of the
software in violation of the License Agreement constitutes copyright infringement. You are hereby on notice that any transfer, use, or copying of the Software in violation of this License Agreement constitutes
a willful infringement of copyright.
3. No Reverse Engineering. You agree that you will not attempt, and if you employ employees or engage contractors, you will use your best efforts to prevent your employees and contractors from
attempting to reverse compile, reverse engineer, modify, translate or disassemble the Software in whole or in part. Any failure to comply with the above or any other terms and conditions contained herein
will result in the automatic termination of this license and the reversion of the rights granted hereunder back to TAIS.
4. Limited Warranty. THE SOFTWARE IS PROVIDED “AS IS” WITHOUT WARRANTY OF ANY KIND. TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, TAIS AND ITS SUPPLIERS
DISCLAIM ALL WARRANTIES WITH REGARD TO THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE WARRANTY OF NON-INFRINGEMENT OF THIRD
PARTY RIGHTS, THE WARRANTY OF YEAR 2000 COMPLIANCE, AND THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS
TO THE QUALITY AND PERFORMANCE OF THE SOFTWARE IS WITH YOU. NEITHER TAIS NOR ITS SUPPLIERS WARRANT THAT THE FUNCTIONS CONTAINED IN THE SOFTWARE WILL MEET
YOUR REQUIREMENTS OR THAT THE OPERATION OF THE SOFTWARE WILL BE UNINTERRUPTED OR ERROR-FREE. HOWEVER, TAIS WARRANTS THAT ANY MEDIA ON WHICH THE
SOFTWARE IS FURNISHED IS FREE FROM DEFECTS IN MATERIAL AND WORKMANSHIP UNDER NORMAL USE FOR A PERIOD OF NINETY (90) DAYS FROM THE DATE OF DELIVERY TO
YOU.
5. Limitation Of Liability. TAIS’ ENTIRE LIABILITY AND YOUR SOLE AND EXCLUSIVE REMEDY UNDER THIS LICENSE AGREEMENT SHALL BE AT TAIS’ OPTION REPLACEMENT OF THE MEDIA OR
REFUND OF THE PRICE PAID. TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, IN NO EVENT SHALL TAIS OR ITS SUPPLIERS BE LIABLE TO YOU FOR ANY CONSEQUENTIAL,
SPECIAL, INCIDENTAL OR INDIRECT DAMAGES FOR PERSONAL INJURY, LOSS OF BUSINESS PROFITS, BUSINESS INTERRUPTION, LOSS OF BUSINESS INFORMATION/DATA, OR ANY
OTHER PECUNIARY LOSS OF ANY KIND ARISING OUT OF THE USE OR INABILITY TO USE THE SOFTWARE, EVEN IF TAIS OR ITS SUPPLIER HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGES. IN NO EVENT SHALL TAIS OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM BY A THIRD PARTY.
6. State/Jurisdiction Laws. SOME STATES/JURISDICTIONS DO NOT ALLOW THE EXCLUSION OF IMPLIED WARRANTIES OR LIMITATIONS ON HOW LONG AN IMPLIED WARRANTY MAY LAST, OR
THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES, SO SUCH LIMITATIONS OR EXCLUSIONS MAY NOT APPLY TO YOU. THIS LIMITED WARRANTY GIVES YOU
SPECIFIC RIGHTS AND YOU MAY ALSO HAVE OTHER RIGHTS WHICH VARY FROM STATE/JURISDICTION TO STATE/JURISDICTION.
7. Export Laws. This License Agreement involves products and/or technical data that may be controlled under the United States Export Administration Regulations and may be subject to the approval of the
United States Department of Commerce prior to export. Any export, directly or indirectly, in contravention of the United States Export Administration Regulations, or any other applicable law, regulation or
order, is prohibited.
8. Governing Law. This License Agreement will be governed by the laws of the State of California, United States of America, excluding its conflict of law provisions.
9. United States Government Restricted Rights. The Software is provided with Restricted Rights. Use, duplication, or disclosure by the United States Government, its agencies and/or instrumentalities is
subject to restrictions as set forth in subparagraph (c)(1)(ii) of The Rights in Technical Data and Computer Software Clause at DFARS 252.227-7013 (October 1988) or subparagraphs (c)(1) and (2) of the
Commercial Computer Software - Restricted Rights at 48 CFR 52.227-19, as applicable.
10. Severability. If any provision of this License Agreement shall be held to be invalid, illegal or unenforceable, the validity, legality and enforceability of the remaining provisions hereof shall not in any way
be affected or impaired.
11. No Waiver. No waiver of any breach of any provision of this License Agreement shall constitute a waiver of any prior, concurrent or subsequent breach of the same or any other provisions hereof, and no
waiver shall be effective unless made in writing and signed by an authorized representative of the waiving party.
YOU ACKNOWLEDGE THAT YOU HAVE READ THIS LICENSE AGREEMENT AND THAT YOU UNDERSTAND ITS PROVISIONS. YOU AGREE TO BE BOUND BY ITS TERMS AND CONDITIONS. YOU
FURTHER AGREE THAT THIS LICENSE AGREEMENT CONTAINS THE COMPLETE AND EXCLUSIVE AGREEMENT BETWEEN YOU AND TAIS AND SUPERSEDES ANY PROPOSAL OR PRIOR
AGREEMENT, ORAL OR WRITTEN, OR ANY OTHER COMMUNICATION RELATING TO THE SUBJECT MATTER OF THIS LICENSE AGREEMENT.
Toshiba America Information Systems, Inc.
Digital Solutions Division
9740 Irvine Boulevard
Irvine, California 92618-1697
United States of America
5932

DSD 060204

Toshiba America Information Systems, Inc.
Digital Solutions Division

Limited Warranty
Toshiba America Information Systems, Inc., (“TAIS”) warrants that this telephone equipment (except for fuses,
lamps, and other consumables) will, upon delivery by TAIS or an authorized TAIS dealer to a retail customer in new
condition, be free from defects in material and workmanship for twenty-four (24) months after delivery. This
warranty is void (a) if the equipment is used under other than normal use and maintenance conditions, (b) if the
equipment is modified or altered, unless the modification or alteration is expressly authorized by TAIS, (c) if the
equipment is subject to abuse, neglect, lightning, electrical fault, or accident, (d) if the equipment is repaired by
someone other than TAIS or an authorized TAIS dealer, (e) if the equipment’s serial number is defaced or missing, or
(f) if the equipment is installed or used in combination or in assembly with products not supplied by TAIS and which
are not compatible or are of inferior quality, design, or performance.
The sole obligation of TAIS or Toshiba Corporation under this warranty, or under any other legal obligation with
respect to the equipment, is the repair or replacement by TAIS or its authorized dealer of such defective or missing
parts as are causing the malfunction with new or refurbished parts (at their option). If TAIS or one of its authorized
dealers does not replace or repair such parts, the retail customer’s sole remedy will be a refund of the price charged by
TAIS to its dealers for such parts as are proven to be defective, and which are returned to TAIS through one of its
authorized dealers within the warranty period and no later than thirty (30) days after such malfunction, whichever
first occurs.
Under no circumstances will the retail customer or any user or dealer or other person be entitled to any direct, special,
indirect, consequential, or exemplary damages, for breach of contract, tort, or otherwise. Under no circumstances will
any such person be entitled to any sum greater than the purchase price paid for the item of equipment that is
malfunctioning.
To obtain service under this warranty, the retail customer must bring the malfunction of the machine to the attention
of one of TAIS’ authorized dealers within the twenty-four (24) month period and no later than thirty (30) days after
such malfunction, whichever first occurs. Failure to bring the malfunction to the attention of an authorized TAIS
dealer within the prescribed time results in the customer being not entitled to warranty service.
THERE ARE NO OTHER WARRANTIES FROM EITHER TOSHIBA AMERICA INFORMATION SYSTEMS,
INC., OR TOSHIBA CORPORATION WHICH EXTEND BEYOND THE FACE OF THIS WARRANTY. ALL
OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND FITNESS FOR USE, ARE
EXCLUDED.
No TAIS dealer and no person other than an officer of TAIS may extend or modify this warranty. No such
modification or extension is effective unless it is in writing and signed by the vice president and general manager,
Digital Solutions Division.

Contents

Introduction
Related Documents/Media .................................................................................................................... ix

Chapter 1 – Strata CTX28 Overview
Digital Telephone Compatibility ............................................................................................................ 2
CTX28 Cabinet Slots ............................................................................................................................. 3
CTX28 Processor ................................................................................................................................... 3
CPU/Memory ................................................................................................................................... 3
Large Scale Integrated (LSI) Circuits (no licenses required) .......................................................... 3
GCTU Processor Interfaces ............................................................................................................. 3
Integrated Voice Mail (GVMU) ............................................................................................................ 4
Strata CTX28 Features and Configuration ............................................................................................. 5
System Interface Options ....................................................................................................................... 6
Circuit Cards ................................................................................................................................... 6
Reserve Power ................................................................................................................................. 6
CTX28 Functional Block Diagram ........................................................................................................ 7
Additional Specifications ....................................................................................................................... 8
Loop Limits ........................................................................................................................................... 9

Chapter 2 – Strata CTX100-S / CTX100 Overview
CTX100-S and CTX100 Processors .................................................................................................... 12
CPU/Memory ................................................................................................................................. 12
Large Scale Integrated (LSI) Circuits ............................................................................................ 12
Memory Protection Battery ........................................................................................................... 12
Relay Control Interface ................................................................................................................. 12
External Page Interface .................................................................................................................. 12
Music-on-hold/Background Music Interface ................................................................................. 12
SmartMedia Memory .................................................................................................................... 12
CTX100 Processor Optional Subassemblies ................................................................................. 13
CTX100 Cabinet Slots ......................................................................................................................... 13
Base Cabinet .................................................................................................................................. 13
Expansion Cabinets ....................................................................................................................... 13
CTX100-S/CTX100 License Control .................................................................................................. 14
Licensed Software Options ............................................................................................................ 14

Chapter 3 – Strata CTX670 Overview
CTX670 Processor Circuit Cards ......................................................................................................... 16
CPU/Memory ................................................................................................................................. 16

Strata CTX General Description 10/04

Contents
Chapter 4 – Capacities

Large-scale Integrated (LSI) circuits ............................................................................................. 16
Memory Protection Battery ........................................................................................................... 16
Music-on-hold/Background Music Interface ................................................................................. 16
SmartMedia Memory ..................................................................................................................... 16
Network Interface .......................................................................................................................... 17
CTX670 Processor Optional Subassemblies ................................................................................. 17
CTX670 License Control ..................................................................................................................... 17
Licensed Software Options ............................................................................................................ 17
CTX670 Cabinet Slots ......................................................................................................................... 18
Base Cabinet .................................................................................................................................. 18
Expansion Cabinets ....................................................................................................................... 18
CTX670 Remote Expansion Cabinet ................................................................................................... 19
Basic Specifications ....................................................................................................................... 20
Base Cabinet .................................................................................................................................. 21
Expansion cabinet .......................................................................................................................... 21

Chapter 4 – Capacities
System Capacities ................................................................................................................................ 23

Chapter 5 – Universal Slot Circuit Cards
Station, Line and Option Circuit Cards ................................................................................................ 31
Functional Block Diagrams .................................................................................................................. 35

Chapter 6 – Telephones and Peripherals
DKT3000-series and IP Telephones .................................................................................................... 40
Liquid Crystal Display (LCD) Models .......................................................................................... 42
Speakerphones ............................................................................................................................... 42
IP Telephone ........................................................................................................................................ 43
DKT3001 .............................................................................................................................................. 43
Tilt Stands ...................................................................................................................................... 44
Telephone Upgrade Options ................................................................................................................ 44
Digital Add-on Modules (DADM3120, DADM3020) .................................................................. 44
Direct Station Selection (DSS) Console ........................................................................................ 45
Integrated PC Interface (BPCI) ..................................................................................................... 45
Headset/Ringer Interface (BHEU) ................................................................................................. 45
Speaker Off-hook Call Announce (BVSU) ................................................................................... 45
Cordless Digital Telephones ................................................................................................................ 46
DKT2204-CT ................................................................................................................................. 47
DKT2304-CT ................................................................................................................................. 47
CTX Attendant Console ....................................................................................................................... 48
Peripherals ............................................................................................................................................ 50
MCK Office Extender and PBX Gateway ..................................................................................... 50
Door Phone (MDFB) ..................................................................................................................... 50
Door Phone/Lock Control Unit (DDCB) ....................................................................................... 51
External Speaker (HESB) .............................................................................................................. 51
Toshiba Stratagy and Stratagy DK Voice Processing ................................................................... 51
Cabling and Connectors ....................................................................................................................... 51

Strata CTX General Description 10/04

Contents
Chapter 7 – Features

Chapter 7 – Features
Account Codes ..................................................................................................................................... 53
Add-on Module (DADM) .................................................................................................................... 53
Advisory Messages .............................................................................................................................. 53
Alternate Answer Point ........................................................................................................................ 54
Automatic Busy Redial ........................................................................................................................ 54
Automatic Call Distribution (ACD) Server ......................................................................................... 54
Basic ACD Features ...................................................................................................................... 54
Enhanced ACD Features ............................................................................................................... 55
Automatic Callback (ACB) .................................................................................................................. 55
Automatic Line Selection ..................................................................................................................... 55
Automatic Release ............................................................................................................................... 56
Automatic Release from Hold ....................................................................................................... 56
Automatic Release of Incoming Calls ........................................................................................... 56
Station Automatic Release ............................................................................................................. 56
Background Music (BGM) .................................................................................................................. 56
Call Completion ................................................................................................................................... 56
Call Forward ......................................................................................................................................... 57
Station Call Forward ...................................................................................................................... 57
System Call Forward ..................................................................................................................... 57
Call Forward Conditions ............................................................................................................... 58
Call Forward Destination ............................................................................................................... 58
Call Forward – Call Types ............................................................................................................. 58
Call Forward Remote ..................................................................................................................... 58
Call History .......................................................................................................................................... 59
Call Park ............................................................................................................................................... 59
Call Park Orbits ............................................................................................................................. 59
Park and Page ................................................................................................................................ 59
Call Pickup ........................................................................................................................................... 60
Call Waiting ......................................................................................................................................... 60
Caller Identification ............................................................................................................................. 61
ISDN Calling ID Name and Number ............................................................................................ 61
Camp on Busy ...................................................................................................................................... 61
Automatic Camp On ...................................................................................................................... 61
Off-hook Camp On ........................................................................................................................ 61
Cancel Button ....................................................................................................................................... 62
Centrex/PBX Compatible ..................................................................................................................... 62
Centrex Ringing Repeat ....................................................................................................................... 62
Classes of Service (COS) ..................................................................................................................... 62
Computer Telephony Integration (CTI) ............................................................................................... 63
Digital Telephone Integrated PC Interface .................................................................................... 63
Conference Calls .................................................................................................................................. 63
Conference On-Hold ...................................................................................................................... 63
Join Button ..................................................................................................................................... 63
Split/Join/Drop ............................................................................................................................... 64
Releasing from Conference Tandem CO Line Connections ......................................................... 64
Voice Mail Conference .................................................................................................................. 64
Continuous DTMF Tone ...................................................................................................................... 64
Credit Card Calling .............................................................................................................................. 64

Strata CTX General Description 10/04

iii

Contents
Chapter 7 – Features

CTX WinAdmin ................................................................................................................................... 65
Data Privacy ......................................................................................................................................... 65
Day/Night Mode – Auto Schedule ....................................................................................................... 65
Delayed Ringing ................................................................................................................................... 66
Destination (Toll) Restriction .............................................................................................................. 66
Through Dialing ............................................................................................................................ 66
Direct Inward Dialing (DID) ................................................................................................................ 67
Dialed Number Identification Service (DNIS) .................................................................................... 67
Digital Pad ............................................................................................................................................ 67
Direct Inward System Access (DISA) ................................................................................................. 68
Directory Numbers ............................................................................................................................... 68
Primary [DN] Buttons ................................................................................................................... 69
Phantom [DN] Buttons .................................................................................................................. 69
Pilot [DN] ...................................................................................................................................... 69
Distinctive LED Indicator .................................................................................................................... 69
Distinctive Ringing .............................................................................................................................. 69
Do Not Disturb (DND) ......................................................................................................................... 70
Direct Station Selection (DSS) Buttons ............................................................................................... 70
[DSS] Button Status Display ......................................................................................................... 70
DTMF Receivers .................................................................................................................................. 70
DTMF Back Tone .......................................................................................................................... 71
DTMF and Dial Pulse CO Line Compatibility .............................................................................. 71
DTMF Signal Time ....................................................................................................................... 71
Emergency Call .................................................................................................................................... 71
Feature Prompting with Soft Keys ....................................................................................................... 71
Enhanced E911 ..................................................................................................................................... 71
External Amplified Speaker ................................................................................................................. 72
Flash Button ......................................................................................................................................... 72
Flexible Line Ringing .......................................................................................................................... 72
Flexible Numbering ............................................................................................................................. 73
Handsfree Answerback ........................................................................................................................ 73
Headset ................................................................................................................................................. 73
Hearing Aid Compatible ...................................................................................................................... 73
High Call Volume Buttons ................................................................................................................... 73
Hold ...................................................................................................................................................... 74
Automatic Hold ............................................................................................................................. 74
Analog Hold .................................................................................................................................. 74
Call Hold ........................................................................................................................................ 74
Consultation Hold .......................................................................................................................... 74
Exclusive Hold .............................................................................................................................. 74
Hold Recall .................................................................................................................................... 74
Hot Dialing ........................................................................................................................................... 74
Hotline Service ..................................................................................................................................... 74
IP Telephony ........................................................................................................................................ 75
Data Network Assessment for Voice Traffic ................................................................................ 75
Overview ....................................................................................................................................... 75
IP Telephone .................................................................................................................................. 75
CTX IP Protocol ............................................................................................................................ 75
IP Telephone Features ................................................................................................................... 76
IP Add-on Module ......................................................................................................................... 77

Strata CTX General Description 10/04

Contents
Chapter 7 – Features

IP Interface Unit ............................................................................................................................ 77
IPT Anywhere ................................................................................................................................ 78
Quality of Service (QoS) and Bandwidth ...................................................................................... 79
Power Over LAN ........................................................................................................................... 80
Toshiba SoftIPT IP Telephone ...................................................................................................... 81
Private Networking Over Internet Protocol ......................................................................................... 83
Integrated Services Digital Network (ISDN) ....................................................................................... 84
Least Cost Routing (LCR) ................................................................................................................... 84
Line Buttons ......................................................................................................................................... 84
CO Line Buttons ............................................................................................................................ 85
Pooled CO Line Button ................................................................................................................. 85
Group CO Line Button .................................................................................................................. 85
Live System Programming ................................................................................................................... 85
Lost Call Treatment .............................................................................................................................. 85
Message Waiting .................................................................................................................................. 85
LED Indication .............................................................................................................................. 85
Stutter Dial Tone ........................................................................................................................... 86
Microphone (External Unit) ................................................................................................................. 86
Music-on-hold ...................................................................................................................................... 86
Multiple Call/Delayed Ringing ............................................................................................................ 86
Off-Hook Call Announce (OCA) ......................................................................................................... 87
Off-Premise Stations ............................................................................................................................ 87
Override ................................................................................................................................................ 88
Call Forward Override ................................................................................................................... 88
Class Of Service Override ............................................................................................................. 88
Do Not Disturb (DND) Override ................................................................................................... 88
Executive Override ........................................................................................................................ 88
Privacy Override ............................................................................................................................ 88
Paging ................................................................................................................................................... 89
Telephone Group Paging ............................................................................................................... 89
External Speaker Page Zones ........................................................................................................ 89
Emergency Page ............................................................................................................................ 89
Night Ringing Over Selected Page Zones ..................................................................................... 89
Power Failure Protection ...................................................................................................................... 89
Power Failure Transfer .................................................................................................................. 89
Reserve Power Battery Backup ..................................................................................................... 90
Privacy .................................................................................................................................................. 90
Repeat Last Number Dialed ................................................................................................................. 90
Ringing ................................................................................................................................................. 90
Ring Over Busy ............................................................................................................................. 90
Ringing Cadence ............................................................................................................................ 91
Delayed Ringing ............................................................................................................................ 91
Distinctive Ringing ........................................................................................................................ 91
Speed Dial ............................................................................................................................................ 91
One Touch Buttons ........................................................................................................................ 91
Station Hunting .................................................................................................................................... 92
Serial Hunting ................................................................................................................................ 92
Circular Hunting ............................................................................................................................ 92
Distributed Hunting ....................................................................................................................... 92
Camp on to Hunt Groups ............................................................................................................... 92

Strata CTX General Description 10/04

Contents
Appendix – Specifications

Station Message Detail Recording (SMDR) ........................................................................................ 93
Strata Net Multi-system Networking ................................................................................................... 93
Coordinated Numbering Plan ........................................................................................................ 93
QSIG Basic Call Control ............................................................................................................... 93
Alternate Routing .......................................................................................................................... 94
Centralized Attendant .................................................................................................................... 94
Telephone DSS Buttons ................................................................................................................. 94
Centralized Voice Mail .................................................................................................................. 94
Network SMDR ............................................................................................................................. 94
System Fault Finding and Diagnostics ................................................................................................. 95
Alarm Indication of System Faults ................................................................................................ 95
SmartMedia Card ........................................................................................................................... 95
Fault Detection and Error Logs ..................................................................................................... 95
Event and System Administration Logs ........................................................................................ 95
Automatic Fault Recovery ............................................................................................................. 95
System Trace ................................................................................................................................. 95
Manual Test ................................................................................................................................... 95
Backup/Restore .............................................................................................................................. 96
Maintenance and Administration ................................................................................................... 96
Software Upgrade .......................................................................................................................... 96
Transfer ................................................................................................................................................ 96
Transfer with Camp On ................................................................................................................. 96
Transfer Immediate ........................................................................................................................ 96
Transfer Privacy ............................................................................................................................ 96
Transfer (Screened) ....................................................................................................................... 96
Transfer (Unscreened) ................................................................................................................... 97
Transfer to Voice Mail .................................................................................................................. 97
Music or Ringing Option ............................................................................................................... 97
Tenant Services .................................................................................................................................... 97
User Programming Mode ..................................................................................................................... 97
Voice or Tone Signaling ...................................................................................................................... 98
Voice Mail Integration ......................................................................................................................... 98
DTMF Integration .......................................................................................................................... 98
Simplified Message Desk Interface (SMDI) ................................................................................. 98
Toshiba Proprietary Integration ..................................................................................................... 98
Direct Transfer to Voice Mailbox ................................................................................................. 99
Volume Control .................................................................................................................................... 99

Appendix – Specifications
Environmental Characteristics ........................................................................................................... 101
CTX100 Power Considerations .......................................................................................................... 102
CTX670 Power Considerations .......................................................................................................... 102
Reserve Power .................................................................................................................................... 103
3000-series Telephone Option Circuit Cards ..................................................................................... 108
System Tones ..................................................................................................................................... 110
Strata Net QSIG Over IP and IPT Bandwidth Requirements ............................................................ 112

Index ........................................................................................................................................................ 115

Strata CTX General Description 10/04

Introduction

This General Description provides an overview of the Strata CTX28, CTX100-S, CTX100 and
CTX670 digital business telephone systems, associated hardware and features.
Note The features described in this document assume that the Strata CTX system has the current

software release installed. At the time of printing, Strata CTX R2.2 and CTX WinAdmin
R2.20 are the most current versions.
Important!

The Strata CTX100-S uses the same hardware and configuration as the Strata
CTX100, with a few exceptions. Whenever the CTX100 is mentioned in this book, it
applies to both the CTX100-S and CTX100, unless specified otherwise.

Organization
This document is divided into the following major topics:
• Chapter 1 – Strata CTX28 Overview describes the system, its basic capacities and system
expansion.
• Chapter 2 – Strata CTX100-S/CTX100 Overview describes the system, its basic capacities
and system expansion.
• Chapter 3 – Strata CTX670 Overview describes the system, its basic capacities, system
expansion, and remote maintenance.
• Chapter 4 – Capacities includes Strata CTX100 and CTX670 capacities for stations and
peripherals, Central Office (CO) lines, station buttons and system features.
• Chapter 5 – Universal Slot PCBs provides information about Printed Circuit Boards (PCBs)
that can be installed in the universal slots of the Strata CTX systems.
• Chapter 6 – Telephones and Peripherals describes the most recent Toshiba-proprietary
stations and peripherals, customer-supplied peripherals, as well as cabling and connectors.
• Chapter 7 – Features describes the features which are available system-wide, as well as
stations features.
• Appendix – Specifications includes detailed information on environmental characteristics,
power considerations, hardware compatibility, network requirements, and station
specifications.

Strata CTX General Description

10/04

vii

Introduction
Conventions

Conventions
Conventions

Description

Note

Elaborates specific items or references other information. Within
some tables, general notes apply to the entire table and numbered
notes apply to specific items.

Important!

Calls attention to important instructions or information.

Courier

Shows a computer keyboard entry or screen display.

“Type”

Indicates entry of a string of text.

“Press”

Indicates entry of a single key. For example: Type prog then
press Enter.

Plus (+)

Shows a multiple PC keyboard or phone button entry. Entries
without spaces between them show a simultaneous entry.
Example: Esc+Enter. Entries with spaces between them show a
sequential entry. Example: # + 5.

Tilde (~)

Means “through.” Example: 350 ~ 640 Hz frequency range.

Denotes the step in a one-step procedure.

Denotes a procedure.

Start > Settings > Printers

See Figure 10

viii

Denotes a progression of buttons and/or menu options on the
screen you should select.
Grey words within the printed text denote cross-references. In the
electronic version of this document (Library CD-ROM or FYI
Internet download), cross-references appear in blue hypertext.

Strata CTX General Description

10/04

Introduction
Related Documents/Media

Related Documents/Media
Installation and Programming
• Strata CTX Installation & Maintenance Manual
• Strata CTX Programming Manual

User Guides
• Strata CTX DKT/IPT Telephone
• Strata CTX DKT3001/2001 Digital Single Line Telephone
• Strata CTX Standard Telephone
• Strata CTX DKT2204-CT/DKT2304-CT Cordless Telephones

Quick Reference Guide
• Strata CTX DKT/IPT Telephone

CD-ROMs
• Strata CTX WinAdmin Application Software and CTX/DK/Partner Products Documentation
Library
• Strata CTX Call Center Solutions Application Software and CTX Documentation Library
(includes Strata CTX ACD software and documentation, Net Server software and
documentation, and Voice Assistant software and documentation)
• OAISYS (includes software and documentation for OAISYS Chat, Call Router, and
Net Phone)
For authorized users, Internet site FYI (http://fyi.tsd.toshiba.com) contains all current Strata CTX
documentation and enables you to view, print and download current publications.

Strata CTX General Description

10/04

Introduction
Related Documents/Media

Strata CTX General Description

10/04

Strata CTX28 Overview

This chapter provides a system overview of the
Strata CTX28 telephone system.
The Strata CTX28 system is a compact system that
provides large system features (for dimensions, see
Table 1). The CTX28 is designed for wall mounting
and occupies very little space.
The CTX28 does not require processor licenses for
Line/Station ports, DTMF Receivers, etc.
The CTX28 basic system comes with eight digital
telephone ports, three CO line ports with Caller ID
interface and one standard telephone port.
The system can be expanded to 16 digital telephone
ports, six CO line ports with Caller ID Interface and
two standard telephone interfaces.
The GCTU processor comes with a built-in
maintenance modem, one Music on Hold (MOH)
interface, one External Paging interface, one Relay
contact, and one SmartMedia card slot. The
processor is a standard part that is shipped inside
the CTX28 cabinet shipping box. The GCTU plugs
into a dedicated cabinet slot.

Figure 1

CTX28 Cabinet

An optional four port voice mail circuit card (GVMU) can be added to provide Auto Attendant/
Voice Mail features including: Voice Mail Call Monitor, Voice Mail Soft keys and Record to Voice
Mail. The GVMU provides 20 hours of voice recording storage or up to 1,024 saved messages.
The GVMU plugs into a dedicated cabinet slot and requires no additional hardware to provide its
full set of features.
The plug and play CTX28 is easy and very cost effective to install. The system is pre-programmed
to match all related voice mail programming in the GVMU Voice Mail system. This includes
station numbers, mailboxes, voice mail hunt groups, voice mail station IDs and many other items
which are listed in the CTX28 Installation documentation. The pre-programmed data is set when
the processor is initialized even if the Expansion cards or GVMU Voice Mail system is not
installed prior to system initialization.

Strata CTX General Description

10/04

Strata CTX28 Overview
Digital Telephone Compatibility

The CTX28 easily connects to outside public and private telephone lines. All of the telephones
(stations) tied to the system can have direct access to each other, as well as to the public and
private network. All lines, stations, and options are tied together through the cabinet.
The table below lists the CTX28 cabinet specifications.
Table 1

CTX28 Cabinet Specifications
Cabinet

Weight

Height

Width

Depth

6.6 lbs.

17.7 in.

12.2 in.

3.3 in.

Cabinet (CHSU28A)
The system cabinet is off-black in color and
contains the GMAU/GMAS motherboards

Digital Telephone Compatibility
The Strata CTX28 supports all
current Toshiba 2000-series and
3000-series digital telephones,
Add-on Module, DSS Console,
CTX Attendant Console, and generic
single-line telephones (2500-sets).
In addition, the Strata CTX28
supports a new Toshiba 7-button
LCD digital speakerphone model
(DKT3007-SD).
The DKT3007-SD telephone
provides the same functionality as the
10-button LCD digital speakerphone
model (DKT3010-SD), except with
fewer buttons and at a lower price.
The DKT3007-SD is designed only
for use on Strata CTX28 systems and
is not upward compatible with
CTX100 or CTX670 systems.

Figure 2

DKT3007-SD Telephone

The Strata CTX28 does not support
analog electronic telephones (6500-series, 6000-series, etc.) or IP telephones.
CTX28 supports Handset Off-hook Call Announce (OCA), but not Speaker OCA.

Strata CTX General Description

10/04

Strata CTX28 Overview
CTX28 Cabinet Slots

CTX28 Cabinet Slots
The CTX28 Cabinet has two dedicated slots
used for the GCTU system processor card and
GVMU optional Voice Mail circuit card. All
other optional interface cards plug onto the
Processor or the Motherboard.

CTX28 Processor
Each system operates with one processor
(GCTU1A) that installs in a dedicated slot of
the Cabinet. The CTX28 processor does not
require any licenses. This includes all items
(line/station ports, DTMF receivers, ABR
circuits, etc.) The processor incorporates the
following hardware features:

CPU/Memory
The processor uses a high-speed, 32-bit, RISC
processor, Dynamic Random Access Memory
(DRAM) working memory, Static Random
Access Memory (SRAM) with lithium battery
for memory back-up, and flash program
memory.

Figure 3

CTX 28 Interior

Large Scale Integrated (LSI) Circuits (no licenses required)
The processor has an LSI circuit that supports the following:
•
•
•
•

16 DTMF receivers.
16 Busy Tone (BT) detector circuits for Auto Busy Redial (ABR).
64 built-in conference circuits.
Built-in, adjustable, digital volume PAD technology enables audio volume to be adjusted in
eight steps to compensate for conference and/or CO line network losses.

GCTU Processor Interfaces
Memory Protection Battery
If commercial AC power is lost or if a system is moved or stored without power, the processor has
an on-board battery that protects data and the customer’s programmed configuration from memory
loss. This information will be maintained in a powerless system for at least six years.
Relay Control Interface
An on-board terminal strip provides an interface to a normally open relay contact which can be
programmed to control a Night Bell, door lock or to mute BGM during an external page.

Strata CTX General Description

10/04

Strata CTX28 Overview
Integrated Voice Mail (GVMU)

External Page Interface
A 600 ohm RCA jack is built into the processor to interface with a Toshiba External Amplified
Speaker (HESB) or a customer-supplied page amplifier and speaker(s) for external paging, night
ring over external page, and external BGM applications.
Music-on-hold/Background Music Interface
One 600-ohm RCA jack is provided on the processor to interface with Music-on-hold and/or
Background Music (BGM) sources. With the CTX28, you can have up to three MOH/BGM source
interfaces by adding:
The CTX28 Standard Telephone interfaces can be used to provide up to two MOH/BGM input
sources in addition to the processor MOH/BGM interface.
SmartMedia Memory
The processor has an on-board SmartMediaTM memory card slot. A SmartMedia flash memory
card can be inserted into the slot to backup and restore customer program data. It also makes it
easy to upload operating system data for software upgrades and is used to store maintenance log
files.
CTX28 Processor Optional Subassemblies
Optional subassemblies can be attached to the GCTU1A processor to provide additional features.
The subassemblies are:
• BSIS (Serial Port Interface) – Provides up to two RS-232 interface ports for SMDR interface to
Call Accounting devices, SMDI for external Voice Mail devices, and two future applications.
Note The GVMU does not require a BSIS SMDI port.

• GETS – 100Base-TX Ethernet interface for WinAdmin, ACD, Attendant Console, Stratagy ES,
and TSAPI applications.

Integrated Voice Mail (GVMU)
With the release of Strata CTX28, Toshiba is excited to introduce a brand new voice mail circuit
card (GVMU) designed by Toshiba specifically for the Strata CTX28 cabinet. It provides
comprehensive Auto Attendant/Voice Mail capabilities, including:
•
•
•
•

•

4-Voice Ports
20 hours voice storage, or up to 1,024 total messages
40 mailboxes
GVMU has similar features and operation as the popular Stratagy IVP8, but includes one new
feature exclusive to the GVMU and two features found in the more advanced Stratagy ES
products:
• Built-in SMDI through the backplane. No serial port required.
• Voice Mail Call Monitor – answering machine like operation to monitor and optionally
pick-up a call when someone is leaving a voice message.
• Voice Mail LCD Feature Prompting with Soft Key Operation – operates like Stratagy ES/
iES32.
• Call Record – Enables the user to record live calls (operates like Stratagy ES/iES32).
Installs in a dedicated cabinet slot with SMDI integration built-in on backplane – no other
hardware is needed for SMDI interface.

Strata CTX General Description

10/04

Strata CTX28 Overview
Strata CTX28 Features and Configuration

•

RS232 maintenance jack to connect an Admin PC or external maintenance modem.
Administration requires the GVMU XADM, 4.0 Administration Software. This is a new
version of Stratagy Admin exclusively for the GVMU.

Note A dealer supplied external modem is required if remote maintenance is needed.

•

Pre-programmed with default mail boxes that match CTX28 default stations numbers, adding
simplicity to any installation.

To program additional features beyond the default settings, refer to Strata CTX28 Voice Processing
Programming Manual and XADM4 Admin software.

Strata CTX28 Features and Configuration
The following are the technical details pertaining to the Strata CTX28:
• Pre-programmed to initialize and match CTX28 extension numbers with GVMU voice mail
boxes. So the system is ready for use when it is powered up the first time.
• Supports all CTX Release 2.21 Features
Note CTX28 does not support Speaker OCA or Transferring Conference Calls to Voice Mail boxes.
• Fully Licensed for: 32 Ports and 16-DTMF/ABR circuits. No licenses are required to be
purchased for expansion or features.
• Maximum Capacity: 16 Digital telephones, six loop start lines with Caller ID Interface,
two Standard telephone interfaces and four Voice Mail Ports.
• Digital Telephone Compatibility: supports DKT3007-SD, 7-button digital telephones and all
other DKT3000 and DKT2000 series telephones, Add-on-Modules and DSS consoles.
• CO Line Compatibility: Loop start lines with Caller ID.
• Non-Compatibility: IP telephones, IP QSIG, ISDN PRI/BRI, T1, Ground start, DID, and Tie lines.
• GVMU1A Voice Mail (optional plug in VM card)
• 4-Ports (initial release)
• Works similar to IVP8 – plugs into CTX28 dedicated cabinet slot.
• 20 hours storage or up to 1,024 saved messages, 40 mail boxes.
Table 2

CTX28 System Configuration

Basic Configuration – No Licenses needed

Basic Capacity
3 CO line w/CLID, 8 Digital Telephones and 1 Standard
Telephone.

CHSU28A Cabinet, includes Power supply, Mother
Board and plug-in GCTU1A Processor.

Expanded Configuration – No Licenses needed

Includes: WinAdmin Maintenance Modem, Page interface,
MOH interface, Control relay, 16 DTMF/ABR circuit, 1
Power Failure Transfer interface and a Smart Media card
interface.
Expanded Capacity/Feature Option

Add - GCDU1A (3CO line/8DKT expansion card)

6 CO line w/CLID, 16 Digital telephones,
1 Standard telephone (total).

Add - GVMU1A (plug-in card)

4 Port Toshiba Plug-in Voice Mail system

Add - GSTU1A (standard telephone plug-on card)

1 Standard Telephone (total 2 standard telephones)

Add - GETS1A (Ethernet interface plug-on card)

Ethernet Interface for ACD, Attendant Console, Stratagy
ES, WinAdmin on Ethernet Interface (Local/Remote
Maintenance)

Add - BSIS1A (4-port RS-232 interface plug-on card)

SMDR for Call Accounting or SMDI External Voice Mail (not
required for GVMU)

Add - HPFB-6 one or two HPFB6 Battery with built-in
Chargers

Reserve Power (Battery Backup)

Strata CTX General Description

10/04

Strata CTX28 Overview
System Interface Options

System Interface Options
Circuit Cards
Table 3

CTX28 Cabinet circuit cards

Part

Title

CHSU28A
(CTX28
Cabinet)

Main Motherboard
(GMAU1A)

Description

Sub-motherboard (GMAS1A)

The GMAU motherboard supports 3 CO lines, 3 CLIDs, 8
Digital Telephones, 1 Standard Telephone. The GCTU,
GVMU, and AC power adaptor plugs into the GMAS submotherboard dedicated slots.

GCTU1A

Processor

Shipped with cabinet; plugs into cabinet.

GVMU1A

Voice Mail Circuit Card

(Optional) 4-Ports in skin Voice Mail; plugs into cabinet.

GCDU1A

CO, CLID, DKT circuit card

(Optional) Supports 3 CO lines, 3 CLIDs, 8 Digital Telephones.
The GCDU1A plugs onto the motherboard.

GSTU1A

Standard Telephone Circuit
Card

(Optional) Provides 1 Standard Telephone port.

GETS1A

100BaseTXIF

(Optional) Ehternet 100Base T cable.(optional). Interface for
WinAdmin, ACD, Attendant Console, Stratagy ES, and TSAPI
applications

BSIS1A

RS232C Interface

(Optional) RS232-C interface for SMDR and VM SMDI (not
required for GVMU). Provides 4 serial I/O ports.

HPFB6

External Battery

(Optional) Provides backup Reserve power.

Note See the “CTX28 Functional Block Diagram” on page 7 to see how the circuit cards and

interface connectors can be used for connecting stations and peripherals.

Reserve Power
One or two HPFB-6 optional units can be added to the CTX28 to provide reserve power. The
amount of reserve power time depends on the hardware (see Table 4). The table below is an
estimate of battery backup time based on the premise that the HPFB-6 unit(s) are fully changed at
the time of AC power failure. This estimated backup time is based on normal call traffic, the time
estimates will be reduced by as much as half with extreme heavy traffic volumes.
Table 4

CTX28 Reserve Power Duration Estimates

Hardware

1 HPFB-6

2 HPFB-6

3CO/8DKT - No GVMU

1 hr. 40 min.

3 hr. 20 min.

3CO/8DKT - with GVMU

1 hr. 30 min

3 hr.

6CO/16DKT - No GVMU

1 hr. 5 min.

2 hr. 10 min.

6CO/16DKT - with GVMU

1 hr.

2 hr.

Note The CTX28 should be plugged into AC power and the DC power switch should be turned

On when installing the HPFU-6. The HPFU-6 will not start to operate if AC power is not
available during the initial installation.

Strata CTX General Description

10/04

Strata CTX28 Overview
CTX28 Functional Block Diagram

CTX28 Functional Block Diagram
The Functional Block Diagram below shows the circuit cards and interface connectors used for
connecting the stations and peripherals.
Up to Four Programmable Serial
(RS-232) Port Modular Jacks
Available

SMDR
Call
Accounting
Stratagy ES
Voice Mail

GCTU

Processor PCB

BSIS
SMDI for
Toshiba Proprietary
Integration

(Optional)
Remote
Maintenance
Modem

Toshiba Proprietary
Soft Key LCD Link

WAN/
Internet
Remote CTX
WinAdmin PC

ACD
(CSTA)

DTMF/ABR
Receivers
Smart Media
Maintenance
and
Customer
Database

(RCA Jack) 600 ohm Interface to
Music On Hold and/or
Background Music Source
(RCA Jack) 600 ohm Interface to
External Paging Amplifier
(Relay Contact) for Night Relay,
Door Lock, or Page Mute

GETS
Hub
or
LAN

RJ45

Ethernet
Interface
100Base TX
(Optional)

Conference
SW with PAD
25-pair
Amphenol
Connector

FAX or Modem
MDF

GVMU - Voice Mail/
Auto Attendant
(optional)

Attendant
Console

Standard
Telephone

Power Failure
Telephone
(Co Line 1)
1-Std. Tel. Circuit
Mode

KSU Mother Board
Msg

Page

Scroll

Feature

Spdial

Vol

Network
Demarcation
Point

GSTU
3-loop
start lines
with Caller ID

(Optional)

1-Std. Tel. Circuit
PFCT
8-Digital Tel.
Circuit

GCDU (Optional)
3-loop
start lines
with Caller ID
• Central Office
• Centrex
• PBX
7430

Mic

Redial

Spkr

Cnf/Trn

Hold

Digital
Telephone
(DKT) and
Add-on
Module
DDCB

8-Digital Tel.

Cordless
DKT

MDFB

Circuit
Door Phones and
Lock Controls

KSU Mother Board
Power Circuit

Mode

Page

Scroll

Page

Scroll

Feature

Feature
Msg

Spdial

Vol

Msg

Spdial

Vol
Mic

Redial

Spkr

Cnf/Trn

Hold

Mic

Redial

Spkr

Cnf/Trn

Hold

Digital Telephone
with DSS Console

Digital
Telephone

Reserve Power

HPFB-6
Battery/Charger
AC Adaptor

Figure 4

120V AC, 60Hz

CTX28 Functional Block Diagram

Strata CTX General Description

10/04

Strata CTX28 Overview
Additional Specifications

Additional Specifications
Table 5

CTX28 Specifications
Category

Power

Environment

CO Line Interface

Standard Telephone Interface

Items

90-264VAC

AC adapter input AC spec.

Input current rating

1.5A max.

Full installation

Input frequency

50/60 Hz

AC adapter output voltage

+15V/4.0A

Voltage of inside Power
switch

-27.3V/+5.0V
DC Switch

Located inside cabinet

Power failure back up

1 HPFB6: See page 6

Use HPFB6. 27.3V output
from KSU to HPFB6

Grounding

Less than 1 ohm
using third wire ground

Requires adequate
grounding

Operating Temperature

0 - 40 C

Operating humidity

20 - 80%

Storage temperature

-20 - 60 C

Network Interface

Network Jack: RJ11 or
RJ21X, FIC: 02LS2

Start type

Loop start

Caller ID

ANSI Caller ID

Sending dial

DTMF

Not supported DP dial

PFT

1 circuit available, prepare 1
Modular Jack

Connect PFT-SLT to CO
Line 1 in power failure

Ringer

Square-wave

REN

Message waiting

not supported

Supply DC voltage / current

24V / 33mA

Receive dial

DTMF/DP

EMC

Network Performance
FCC/ACTA Registration
Numbers

Remarks

Input voltage rating

Safety

Regulations

Specification

Note-book type AC adapter

Ringer Equivalance 0.3B

Constant current. OPS
class A

UL60950-1

USA

CSA22.2 NO.60950-1-03

CANADA

Either FCC part15 classA or
CISPR Pub.22

USA

Either IC ES-003 or
CISPR Pub.22

CANADA

FCC part68

USA

IC CS-03

CANADA

ACTA/FCC Part 68 Registration for Key System Code (KD): CJ6KD03BDTCHS28
ACTA/FCC Part 68 Registration for Multifunction Code (MF): CJ6MF03BDTCHS28

Strata CTX General Description

10/04

Strata CTX28 Overview
Loop Limits

Loop Limits
The table below provides the maximum loop limits for connection of telephones, lines, peripheral
equipment, and power supplies. The following information applies to only the Strata CTX28
system.
Table 5-1

Digital Telephone/BPCI-DI/DDSS Console/ADM/Loop Limits for Strata CTX28
CTX28 KSU or
Battery Backup1

Mode
DKT300-series or DKT2000-series
models, DKT with BVSU or DVSU or
BHEU or HHEU.
DKT with BPCI
DKT with BPCI and BHEU
DDSS3060 or 2060
DDCB3A
BATI, RATI
DKT with 1 ADM
DKT with 2 ADMs

Maximum line length (24 AWG)
1 Pair
feet meters

CTX28 KSU

1000

303

Battery Backup

695

204

CTX28 KSU

1000

303

Battery Backup

500

151

CTX28 KSU

1000

303

Battery Backup

500

151

CTX28 KSU

1000

303

Battery Backup

675

204

CTX28 KSU

165

Battery Backup

500

151

CTX28 KSU

1000

303

Battery Backup

1000

303

CTX28 KSU

675

204

Battery Backup

165

CTX28 KSU

500

151

Battery Backup

1 Pair plus
external power2

1000 feet
303 meters

1. Battery backup applies to instances when the system is being powered by HPFB-6 batteries exclusively.
2. Digital cable runs must not have the following:
Cable splits (single or double)
Cable bridges (of any length)
High resistance or faulty cable splices

Strata CTX General Description

10/04

Strata CTX28 Overview
Loop Limits

Strata CTX General Description

10/04

Strata CTX100-S / CTX100 Overview

This chapter provides a system overview of the
Strata CTX100-S and CTX100 telephone
systems.

Base

Expansion

The Strata CTX100-S/CTX100 systems are
compact systems, yet they provide large system
features (see Figure 5 and Table 6). They are
designed for wall mounting and occupy very little
space.
The CTX100 processor (ACTU2A) comes with
32 ports (licensed) and can grow to 112 ports by
adding 4-port licenses.
The CTX100-S processor (ACTU2A-S) comes
with 16 ports (licensed) and can grow to 32 ports
by adding two eight-port licenses. Then, it can
grow to 112 ports with four-port licenses.

5976

Figure 5

CTX100-S / CTX100
Base / Expansion Cabinets

Note The Strata CTX100-S and CTX100 system capacities depend on the licenses stored on the

system processor and the hardware described in this chapter. See “CTX100-S/CTX100
License Control” on page 14.
Important!

Each ACTU2 basic processor can be configured with a one or two cabinet system. A single (Base)
cabinet system supports a combination of up to 64 Central Office (CO) lines and stations, while a
two cabinet system (Base and Expansion) can support up to 112 CO lines and stations.
System line and station capacity is expanded by adding CO line and station Circuit cards and port
licenses into its universal slot architecture.
The CTX100 easily connects to outside public and private telephone lines. All of the telephones
(stations) tied to the system can have direct access to each other, as well as to the public and
private network. All lines, stations, and options are tied together through the cabinets.
Table 6

CTX100-S/CTX100 Cabinet Specifications
Weight1

Height

Width

Depth

Base Cabinet (CHSUB112)

19.4 lbs.

14.6 in.

11.9 in.

10.2 in.

Base + Expansion Cabinet (CHSUE112)

34.6 lbs.

14.6 in.

19.9 in.

10.2 in.

Cabinet

1. Weight includes the processor card in the Base Cabinet and four universal circuit cards in each cabinet.

Strata CTX General Description

10/04

Strata CTX100-S / CTX100 Overview
CTX100-S and CTX100 Processors

CTX100-S and CTX100 Processors
Each system operates with one processor card (ACTU2A-S for CTX100-S, ACTU2A for
CTX100) that installs in a dedicated slot of the Base Cabinet. The processors incorporate the
following hardware features.

CPU/Memory
Either processor card uses a high-speed, 32-bit, RISC processor, Dynamic Random Access
Memory (DRAM) working memory, Static Random Access Memory (SRAM) with lithium battery
for memory back-up, and flash program memory.

Large Scale Integrated (LSI) Circuits
The processors each have LSI circuits that support the following:
• 16 DTMF receiver hardware processor are built into the ACTU2. Five or more DTMF
receivers requires appropriate licenses. See “CTX100-S/CTX100 License Control” on page 14.
• 16 Busy Tone (BT) detector circuits for Auto Busy Redial (ABR) are built into the ACTU2.
• 64 built-in conference circuits (see Table 12 on page 26 for more information).
• Built-in, adjustable, digital volume PAD technology enables audio volume to be adjusted in
eight steps to compensate for conference and/or CO line network losses.

Memory Protection Battery
If commercial AC power is lost or if a system is moved or stored without power, either processor
has an on-board battery that protects data and the customer’s programmed configuration from
memory loss. This information will be maintained in a powerless system for at least six years.

Relay Control Interface
An on-board terminal strip provides an interface to a normally open relay contact which can be
programmed to control a Night Bell, door lock or to mute BGM during an external page.

External Page Interface
A 600 ohm RCA jack is built into each processor to interface with a Toshiba External Amplified
Speaker (HESB) or a customer-supplied page amplifier and speaker(s) for external paging, night
ring over external page, and external BGM applications.

Music-on-hold/Background Music Interface
A 600-ohm RCA jack and volume controls are built into each processor to interface with Musicon-hold and/or Background Music (BGM) sources (one of the jacks is for future use). With the
CTX100, you can have up to 15 MOH/BGM source interfaces by adding:
• Up to two BIOU circuit cards, each provides three MOH/BGM input sources
• An RSTU circuit card that provides up to eight MOH/BGM input sources

SmartMedia Memory
Each processor has an on-board SmartMediaTM memory card slot. A SmartMedia flash memory
card can be inserted into the slot to backup and restore customer program data. It also makes it
easy to upload operating system data for software upgrades and is used for maintenance functions
(see “System Fault Finding and Diagnostics” on page 95 for more details).

Strata CTX General Description

10/04

Strata CTX100-S / CTX100 Overview
CTX100 Cabinet Slots

CTX100 Processor Optional Subassemblies
Optional subassemblies can be attached to the ACTU2A-S or ACTU2A processors to provide
additional features. The subassemblies are:
• AMDS (Modem) – Provides a 33.6Kbps/V.34 modem for point-to-point local or remote
connection to the CTX WinAdmin administration PC.
• BSIS (Serial Port Interface) – Provides up to two RS-232 interface ports for SMDR interface
to Call Accounting devices, SMDI or Toshiba Proprietary interface to Voice Mail devices, and
two future applications.

CTX100 Cabinet Slots
Base Cabinet
The Base Cabinet has one dedicated slot used for the system processor card and four universal
slots (S101~S104), that can accommodate station, line or option circuit cards. It also houses a
power supply that is packaged with the cabinet.

Expansion Cabinets
One expansion cabinet provides four universal circuit card slots (S105~S108) that can
accommodate station, line or option circuit cards. It also houses a power supply that is packaged
with the cabinet.

DC POWER

TOSHIBA

AMAUE1A

S101

S102

S103

S104

TOSHBIA

DIGITAL BUSINESS TELEPHONE SYSTEM
CHSUB112A

MODEL

V 1A. NO R

10062

Strata CTX100 INPUT: 120Vac 60Hz 1.8A
TOSHIBA CORPORATION

S105

S106

S107

S108

TOSHBIA

DIGITAL BUSINESS TELEPHONE SYSTEM
CHSUB112A

49L7
E88891
TIM

MADE IN MALAYSIA

MODEL

V 1A. NO R

10039

Strata CTX100 INPUT: 120Vac 60Hz 1.8A
ZCP

TOSHIBA CORPORATION

MADE IN MALAYSIA

ZCP

6576

Figure 6

Base and Expansion Cabinet Interior

Strata CTX General Description

10/04

Strata CTX100-S / CTX100 Overview
CTX100-S/CTX100 License Control

CTX100-S/CTX100 License Control
The system size and feature capability is controlled using a software License Key Code. This key
code is obtained from Toshiba Internet FYI during the ordering process and is installed onto the
system processor via Strata CTX WinAdmin. Processor license codes activate system hardware
capacities in the following increments.
• The first 16 line/station ports on the CTX100-S do not require a license. The upgrade from 16
to 24 ports and from 24 to 32 ports requires the eight port upgrade LIC100S-8 PORTS license.
Each additional set of 4 line/station ports requires the four port upgrade LIC100-4 PORTS
license (maximum of 112 ports).
• The first 32 line/station ports on the CTX100 do not require a license. Each additional set of
four line/station ports requires one LIC100-4 PORTS license (maximum of 112 ports).
• The ACTU2A-S and ACTU2 processors each provide 16 DTMF built-in receiver hardware
circuits and 16 ABR circuits. The first four DTMF circuits and all ABR circuits do not require
a license. Each additional set of four DTMF receiver circuits requires one LIC100-4DTMF
license (maximum of 16 DTMF circuits).
Note DTMF tone receiver circuits are required for standard telephones, Voice Mail DTMF

integration, Tie, DID and DNIS line service.
• The optional RS-232 serial port interface (BSIS) provides two circuits to interface with SMDI
or Toshiba Proprietary Voice Mail integration, Call Accounting SMDR, and two for future
applications. The first circuit does not require a license, but circuits two through four each
require one LIC100-SER PORT license.

Licensed Software Options
Some software options are activated with license codes. The following software options require a
license:
• Each CTX system (node) in a Strata Net QSIG Network (ISDN or IP) requires one LIC100QSIG NET license. A maximum of four serial network nodes are allowed in any one serial
chain in the network topology.
• The built-in LAN interface for all CTI Open Architecture applications. Each individual CTI
Open Architecture application requires one LIC100-CSTA AP license (maximum nine).

Strata CTX General Description

10/04

Strata CTX670 Overview

The Strata CTX670 system provides sophisticated
telecommunication features in a modular system
designed for growth. Its universal slot architecture
enables you to select the combination of Central Office
(CO) lines, stations, and peripheral options that best suit
your needs.
The CTX670 BCTU basic processor can be configured
for smaller systems as a one or two cabinet system with a
capacity of up to 192 CO lines and stations combined. It
can expand to support up to seven cabinets with a
capacity of up to 672 CO lines and stations combined
with the BCTU/BEXU expanded processor (see
Figure 7).
System line and station capacity is expanded by adding
processor expansion Circuit Cards, cabinets and line/
station circuit cards and station/line licenses.
The CTX670 easily connects to outside public and
private telephone lines. All of the telephones (stations)
tied to the system can have direct access to each other as
well as to the public and private network.
The Base Cabinet and optional Expansion Cabinets are
the building blocks of the system. Each system has a
Base Cabinet, and can have from one to six Expansion
Cabinets. All lines, stations, and options are tied together
through the cabinets.

5398

Figure 7

CTX 670 Base/
Expansion Cabinets

The overall weight and dimensions of the CTX670 cabinets are shown in Table 7.
Table 7

CTX670 Cabinet Specifications
Cabinet

Weight

Height

Width

Depth

Base Cabinet (CHSUB672)

31 lbs.

11.625 in.

26.5 in.

10.3 in.

Expansion Cabinet (CHSUE672)

29 lbs.

9.75 in.

26.5 in.

10.3 in.

Strata CTX General Description

10/04

Strata CTX670 Overview
CTX670 Processor Circuit Cards

CTX670 Processor Circuit Cards
The system operates with the BCTU only or the BCTU and BEXU processor circuit cards that
install in dedicated slots of the Base Cabinet. The BCTU and BEXU processor incorporates the
following on-board hardware features:

CPU/Memory
The CTX670 uses a high-speed, 32-bit, Reduced Instruction Set Computing (RISC) processor,
Dynamic Random Access Memory (DRAM) working memory, Static Random Access Memory
(SRAM) with lithium battery for back-up memory, and flash program memory.

Large-scale Integrated (LSI) circuits
The processor has LSI circuits that support the following:
• BCTU provides 16 built-in DTMF receivers; 32 available using the BCTU and BEXU. For five
or more DTMF receivers, appropriate licenses are required. See “CTX670 License Control” on
page 17.
• BCTU provides 16 built-in Busy Tone (BT) detectors for Auto Busy Redial (ABR); 32
available using the BCTU and BEXU.
• BCTU provides 64 built-in conference circuits; up to 96 conference circuits are available using
the BCTU and BEXU. (See Table 12 on page 26 for more information).
• Built-in, adjustable, digital volume PAD technology enables audio volume to be adjusted in
eight steps to compensate for conference and/or CO line network losses.

Memory Protection Battery
If commercial AC power is lost or if a system is moved or stored without power, the processor has
an internal battery that protects data and the customer’s programmed configuration from memory
loss. This information will be maintained in a powerless system for at least six years.

Music-on-hold/Background Music Interface
An RCA jack and volume control are built into the processor to interface with a Music-on-hold
and/or Background Music source. With the CTX670, you can have up to 15 MOH/BGM sources
by adding:
• Up to two BIOU circuit cards, each provides three MOH/BGM input sources.
• An RSTU circuit card that provides up to eight MOH/BGM input sources.
• MOH/BGM source volume adjustment is controlled by software programming.

SmartMedia Memory
The BCTU processor has an on-board SmartMedia card slot. A SmartMedia flash memory card
can be inserted to backup and restore customer program data. It also makes it easy to upload
operating system data for software upgrades and is used for maintenance functions (see “System
Fault Finding and Diagnostics” on page 95 for more details).

Strata CTX General Description

10/04

Strata CTX670 Overview
CTX670 License Control

Network Interface
The BCTU processor has an on-board Ethernet 100Base-T Ethernet circuit for connection to Open
Architecture Computer Telephony Interface (CTI) applications. This provides extensive call
control and telephone support for CTI applications. The Ethernet Network Interface Card (NIC)
port also enables connection to the following:
• CTX Attendant Console
• ACD server
• Local and Remote CTX WinAdmin PC
• Soft Key Control of Voice Mail features

CTX670 Processor Optional Subassemblies
Optional subassemblies can be added to the BCTU processor card to enable system expansion and
provide additional features. The subassemblies are:
• AMDS (Modem) – Attaches to the BCTU to provide a 33.6Kbps/V.34 modem for point-topoint local or remote connection to the CTX WinAdmin administration PC.
• BSIS interface card which attaches to the BCTU to provide up to four RS-232 interface ports
for SMDR Call Accounting and SMDI or Toshiba Proprietary Voice Mail interface.

CTX670 License Control
The system size and feature capability is controlled using a software License Key Code. This key
code is obtained from the Toshiba Internet FYI site during the ordering process and is installed
onto the system processor via Strata CTX WinAdmin. Processor license codes activate system
hardware capacities in the following increments.
• The first 64 line/station ports do not require a license. Each additional set of four line/station
ports requires one LIC670-4 PORTS license (maximum of 672 ports).
• The on-board DTMF receiver circuit provides up to 32 DTMF receiver hardware circuits. The
first four DTMF circuits do not require a license. Each additional set of four DTMF receiver
circuits requires one LIC670-4 DTMF license (max. total of 32 DTMF circuits).
Note DTMF tone receiver circuits are required for standard telephones, Voice Mail DTMF

integration, Tie, DID and DNIS line service.
• The optional RS-232 serial port interface (BSIS) provides two circuits to interface with Voice
Mail, SMDI or Toshiba Proprietary Voice Mail integration, Call Accounting SMDR, and two
for future applications. The first circuit does not require a license, but circuits two through four
each require one LIC670-SER PORT license.

Licensed Software Options
Some software options are activated with license codes. The following software options require a
license:
• Each CTX system (node) in a Strata Net QSIG Network (ISDN or IP) requires one LIC670QSIG NET license. A maximum of four serial network nodes are allowed in any one serial
chain in the network topology.
• Each individual CTI Open Architecture application requires one LIC670-CSTA AP license
(maximum nine).

Strata CTX General Description

10/04

Strata CTX670 Overview
CTX670 Cabinet Slots

CTX670 Cabinet Slots
Base Cabinet
The Base Cabinet has two dedicated slots used for the system processor cards and eight universal
slots, labeled “S101~S108,” that can accommodate station, CO line or option circuit cards
(see Figure 8). It also houses a power supply.

B101

B102

S101

S102

S103

S104

S105

S106

S107

S108

DC OUT

-24V1
-24V2

BATT

+
-

-24V3
-24V4

POW
+5V

AC IN

-5V
P.F.
POWER
ON

RESET

EXP
BASE
OFF

B101

B102

S101

S102

S103

S104

S105

S106

S107

S108
5002

6965

BEXU

Figure 8

BCTU

Base Cabinet Interior

Expansion Cabinets
One to six Expansion Cabinets can be added to increase the system station and CO line capacity.
Each expansion cabinet provides 10 slots (S_01~S_10). Figure 9 shows an Expansion Cabinet.
Refer to the following section for cabinet slot and station/line capacities. Tables 9 and 10 show the
number of stations and CO lines allowed when additional cabinets and circuit cards are used.

DC OUT
DC OUT

CABINET NO.
2

7
-27V1
-27V1

S_01

S_02

S_03

S_04

S_05

S_06

S_07

S_08

S_09

S_10

-27V2
-27V2
-27V3
-27V3
-27V4
-27V4

AC IN
BATT

++
--

POW
POW
+5V
+5V

AC IN
AC IN

-5V
-5V
P.F.
P.F.
RESET
RESET

POWER
POWER
ON
ON

EXP
EXP
BASE
BASE
FG
FG

S_01

S_02

S_03

S_04

S_05

S_06

S_07

S_08

S_09

S_10

OFF
OFF

5002
5002

5003

Figure 9

Expansion Cabinet Interior

Strata CTX General Description

10/04

Strata CTX670 Overview
CTX670 Remote Expansion Cabinet

CTX670 Remote Expansion Cabinet
A CTX670 Expansion Cabinet can be located up to three kilometers (1.86 miles) from its Base
Cabinet. Remote Expansion Cabinets are enabled by the RRCU circuit card. One RRCU connects
to up to two ribbon-type Data Cables and applies the inter-cabinet signal to a multi-mode fiberoptic pair. One fiber pair can support one or two Expansion Cabinets in one remote location using
one RRCU in the Base Cabinet and another in the Remote Expansion Cabinet.
The CTX670 Base Cabinet supports up to six Remote Expansion Cabinets (at least one RRCU
circuit card is required for each remote location).
Remote Cabinets support the BIOU for external Page Zones, Night Bell, etc., and all CO line and
trunk interface circuit cards. Network clock synchronization can only be derived from digital
trunks installed in the Base Cabinet (Master) location.
A Remote Cabinet can support all circuit cards that can be installed in a local Expansion Cabinet,
including digital trunk cards. However, the system cannot derive network clock synchronization
from a digital trunk installed in a Remote Cabinet. This requires a digital trunk installed in the
Base Cabinet or in a local Expansion Cabinet connected to the Base by a standard ribbon cable.
For each Remote Cabinet location, local trunks may be required for correct 911 service.

Strata CTX General Description

10/04

Strata CTX670 Overview
CTX670 Remote Expansion Cabinet

CTX670 Rack Mount Cabinets
The Strata CTX Rack Mount cabinets consist of a Base cabinet
(CRSUB672A) and Expansion cabinets (CRSUE672A). These
cabinets are deeper, narrower, and designed specifically to fit
standard (customer-supplied) 19” racks (shown right). The
cabinets are made of plated sheet metal, dark gray in color with
black cover plates. These cabinets support the same features as
the floor/wall-mountable CTX670 cabinets.
A CTX670 Rack Mount system can expand from one to seven
cabinets using the same processors and interface cards as the
CTX670 floor/wall-mountable cabinets. The power factors and
slot configuration rules are also the same as the floor/wallmountable CTX670.
The difference between the Rack Mount and the floor/wallmountable CTX670 is the new size for the Base and Expansion
cabinets, a new power supply that is installed in the cabinets,
and a unique power strip for Rack Mount cabinets
(BRPSB120A and the 240V version).
Toshiba does not recommend mixing the floor/wall-mountable
cabinets with the Rack Mount cabinets. The 19 inch-wide rack
and rack screws must be supplied by the dealer. Interface
cables plug into the front of the station and trunk cards and
fold under each cabinet to exit the rear of the cabinets.

Basic Specifications
The following table lists the parts and basic specifications of the CTX670 Rack Mount Cabinets.
Dimensions of Base
(CSRUB672A) and
Expansion (CSRUE672A)
Cabinet

Height: 10.5 inches (267mm)
Width: 1.58 feet (483mm—with bracket)
Depth: 1.17 feet (358mm)

Weight of Base and
Expansion Cabinet

22.04 lbs. (10 kg)

Power Supply Unit (PSU)

BRPSU672A (initially built in) – can also be ordered for spares

19" Rack Installation
Dimension

IEC297-1 (EIA RS 310-D)

Installation

Cannot be floor or wall mounted.

465.1mm (front face screw pitch – width)

Power Strip Box1

Optional Equipment

Reserve Power Battery Distribution
Box2
From PSU to Battery Cable

BRPSB120A
BRPSB240A
BBDB1A
PBTC1A-3M

From BBDB to Battery Cable

BBTC1A-2.0M

AC240V Power Supply Cord

BACL240A

1. Power strip boxes for floor/wall-mountable cabinets cannot be used for Rack Mount cabinets.
2. Reserve batteries are connected using the same battery distribution box and battery cables as the
CTX670 floor/wall-mountable cabinets.

Strata CTX General Description

10/04

Strata CTX670 Overview
CTX670 Remote Expansion Cabinet

Base Cabinet
The base cabinet is similar to the Strata CTX670 base cabinet. It has two dedicated slots used for
the system processor cards and eight universal slots, labeled “S101~S108,” that can accommodate
station, CO line or option circuit cards. It also houses a power supply. See Figure 10.

-24V1
-24V2
-24V3
-24V4

DC OUT

BATT

POWER ON

OFF

POW
+5V
-5V
P.F.

AC IN

RESET

EXP

BASE

B101

B102

BEXU

Figure 10

S101

S102

S103

S104

S105

S106

S107

S108

7163

BCTU

CTX Rack Mount Base Cabinet Interior

Expansion cabinet
Each expansion cabinet provides 10 slots (S_01~S_10). Figure 11 shows an Expansion Cabinet.

-24V1
-24V2
-24V3
-24V4

DC OUT

BATT

-5V

POWER ON

+5V

OFF

POW

P.F.

AC IN

RESET

EXP

BASE

S_01

S_02

S_03

S_04

S_05

S_06

S_07

S_08

S_09

S_10

7164

Figure 11

CTX Rack Mount Expansion Cabinet Interior

Strata CTX General Description

10/04

Strata CTX670 Overview
CTX670 Remote Expansion Cabinet

Strata CTX General Description

10/04

Capacities

This chapter contains Strata CTX28, CTX100 and CTX670 capacities for stations and peripherals,
CO lines, station buttons and system features. All tables apply to all systems unless otherwise
noted.

System Capacities
Important!

Table 8

The maximum capacities listed for the CTX100 in Tables 8~12 are based on an
expanded CTX100 (Base + Expansion Cabinet).

Cabinet and Slot Capacities
CTX28

CTX100

CTX670
Basic Processor
BCTU

CTX670
Expanded Processor
BCTU + BEXU

1 to 2

1 to 7

Dedicated
slots

4 or 8

8 or 18

8 to 68

112

192

672

CTX28

CTX100
Base & Expansion

CTX670
Basic Processor
BCTU

CTX670
Expanded
Processor
BCTU + BEXU

Add-on modules (DADM3120,
DADM3020) per Base Cabinet1

16
Systems
1 or 2 per
DKT

30 DKTs with 1
ADM
23 DKTs with 2
ADMs

55 DKTs with 1
ADM
43 DKTs with 2
ADMs

55 DKTs with 1 ADM
43 DKTs with 2
ADMs

Add-on modules (DADM3120,
DADM3020) per Expansion
Cabinet1

N/A2

31 DKTs with 1
ADM
24 DKTs with 2
ADMs

57 DKTs with 1
ADM
45 DKTs with 2
ADMs

57 DKTs with 1 ADM
45 DKTs with 2
ADMs

Cabinets/Slots/Ports

Cabinets
Universal slots
Maximum capacity of ports
(lines + stations)

Table 9

Station/Peripherals System Capacities

Stations

CTX Attendant consoles

DKT3000- and 2000-series DKTs1

IPT telephones

Strata CTX General Description

16 system

N/A

10/04

72/system

152/system

552/system

(40 Base Cabinet)
(40/Expan. Cab.)

(72 Base Cabinet)
(80/Expan. Cab.)

64 per cabinet
72 per system

128 Base
96 Expansion
160 System

128 Base
96 Expansion
560 System

Capacities
System Capacities

Table 9

Station/Peripherals System Capacities (continued)
CTX670
Basic Processor
BCTU

CTX670
Expanded
Processor
BCTU + BEXU

Stations

CTX28

CTX100
Base & Expansion

IPT telephones with DADM31203

N/A

26 per cabinet
26 per system

58 per cabinet
58 per system

200 per cabinet
200 per system

DKT2204-CT or DKT2304-CT
Cordless Telephone1

152

552

Door locks

Door phone control boxes (DDCB)

Door phones

DSS consoles (DDSS)

N/A

Off-premise stations

144

544

BPCI used for TAPI only: per
cabinet1

Total Stations (Digital/Analog/
ISDN BRI B channel combined)

N/A

160

560

Standard stations

144

544

Calls existing at the same time

366

ISDN BRI station circuits TE-1
and TA (2B+D per circuit)

1. Limit is based on cabinet Power Factor (PF).
2. N/A means Not Available.
3. Based on the minimum allowed flexible buttons.

Table 10

Line Capacities and Universal Circuit Card Slots

CTX28

CTX100
Base &
Expansion

CTX670
Basic
Processor
BCTU

CTX670
Expanded
Processor
BCTU + BEXU

6 with builtin CLID

264

CO lines – ground start
(analog - 4 lines/slot)

N/A1

264

DID lines (analog - 4 lines/slot)

N/A

264

Tie lines (analog - 4 lines/slot)

N/A

264

VoIP lines (4 lines/slot)2

N/A

T1 lines (DS-1)3

N/A

264

ISDN BRI B channel lines4

N/A

256

ISDN PRI B channel lines5

N/A

264

IP QSIG Channels6

N/A

264

Total lines (Analog, T1, ISDN BRI and PRI
B channels combined)

N/A

264

Channel Groups

N/A

128

Number of groups w/ GCO Line buttons

N/A

128

Lines

CO lines – loop start
(analog - 8 lines/slot)

1.
2.
3.
4.
5.
6.

N/A means Not Available.
Capacity is limited by FCC, Part 15, ElectroMagnetic Compatibility (EMC) restrictions.
T1 lines can be loop start, ground start, Tie or DID (maximum 24 lines per unit, any type or combination).
BRI lines provide CO line services, including Caller ID, DID and Direct Inward Lines (DIL).
PRI lines provide CO line services, including QSIG Networking, Calling Party Number/Name, DID, Tie, POTS, FX and DIT.
QSIG over IP channels provides Strata Net functionality.

Strata CTX General Description

10/04

Capacities
System Capacities

Table 11

Station Buttons

CTX28

CTX100 Base &
Expansion

CTX670
Basic
Processor
BCTU

CTX670
Expanded
Processor
BCTU + BEXU

Call Forward, Personal CF Buttons

160

560

Caller ID (CLID) button

160

560

Station Buttons per System

CO Line

Buttons1

264

Buttons2

N/A

264

Pooled CO Line Buttons2

128

N/A, 32

264

320

1600

3500

12000

Line and DN Buttons in use at the same time

1440

3200

Message Waiting Registration (DNs with MW)

130

230

800

Multiple Appearances of DNs on Telephones

320

2000

4000

12000

Night Transfer Buttons

128

One Touch Buttons

800

1750

6000

Group CO Line

CO Group and Pooled Line

Buttons2

Door Unlock Buttons
Flexible Telephone Buttons

Primary Directory Numbers [PDNs] per system

160

560

Phantom Directory Numbers [PhDNs] per system

288

640

2240

[PhDNs] with Message Waiting Indication LED

128

ISDN DNs

N/A

96
(8 DNs/station)

224
(8 DNs/station)

768
(8 DNs/station)

1. This is the number fo unique CO Line Buttons (i.e., Line 1, Line 2, etc.). The total number of CO Line Buttons can not
exceed the Flexible Telephone Button limit.
2. This is the total number of all GCO or Pooled Line Buttons allowed in a system.

Strata CTX General Description

10/04

Capacities
System Capacities

Table 12

System Feature Capacities

Features

Pilot DNs

CTX100 Base
& Expansion

CTX670
Basic
Processor
BCTU

CTX670
Expanded
Processor
BCTU + BEXU

100

200

256

Advisory LCD Messages (Set on a Telephone)

Advisory LCD Messages Lists (per System)

Attendant Groups

Call Accounting SMDR Interface1

Call Forward, System CF Patterns

Call Park Orbits (General)

Call Park Orbits (Individual)

336

Up to 100/
station (CLID)

Up to 100/
station

Up to 660/
system (CLID)

Up to 660/
system

Up to 1000/
system

Up to 2000/
system

CO Line Groups - Incoming Line Groups (ILG)

128

CO Line Groups - Outgoing Line Groups (OLG)

128

96 (No ISDN)

144

392

Caller ID/ANI/CNIS Numbers stored (Call History
records)

Outgoing Line Groups (OLG) Members per system
(Trunks + ISDN Line Service Index)
Conference Circuits

6 lines max.
8 stations
max.

Two-CO Line Conferencing – simultaneously2
(Two party only, no telephone or VM port)

132

Conference/Line Volume Adjustment (PAD)
Groups

DID Numbers for Calling Number ID/system

N/A3

225

500

1000

DNIS/DID Network Routing Numbers

N/A

200

400

1000

DNIS/DID Numbers

N/A

450

1000

2000

Conferencing (three-parties simultaneously)
Conferencing (eight-parties simultaneously)

Conference Party types (up to 8 total lines +
stations)

DTMF

Receivers4

6 lines max.
6 lines max.
8 stations max. 8 stations max.

E911 Groups

Emergency Call Groups

Hunt Groups (Serial/Circular/Distributed
combined)

200

640

Hunt Group Size (DNs per group)

160

560

Hunt Group Stations (per system)

360

800

2800

ISDN DNs

N/A

224

768

ISDN Line Service Indexes

N/A

128

Multiple Call Ring Group

Relay5

Night Bell Control

Night Transfer Control

Relay5

Off-hook Call Announce Handsets (simultaneous)

CTX28

Strata CTX General Description

10/04

Capacities
System Capacities

Table 12

System Feature Capacities (continued)

CTX28

CTX100 Base
& Expansion

CTX670
Basic
Processor
BCTU

CTX670
Expanded
Processor
BCTU + BEXU

112

352

N/A

Page Groups (Phones with or without External
Zones)

Paging – (Group Page – simultaneous stations
paged)

120

Pickup Groups

Ring Tones (External Call Ring Tones for DKTs)

Ring Tones (Internal Call Ring Tones for DKTs)

Features

Off-hook Call Announce to Telephone Speakers 6
Page Mute External BGM Control Relay
Page Zone

Relays5

system7

1080

2400

5600

Speed Dial - System SD numbers per system

800

Speed Dial - Station SD numbers per

Stratagy ES / iES 32 / GVMU Voice Mail Systems
per system8
Tenants

Destination Restriction Level (DRL) Classes

Verified Account Codes

135

300

1000

Voice Mail SMDI

Interface1

1. SMDI and SMDR require BSIS serial port interface.
2. Conference circuits are used dynamically, so the maximum number of simultaneous conferences is affected by the number of
conference members in each conference. The total number of members in simultaneous conferences cannot exceed the total
number of conference circuits. Each conference can have up to eight members.
3. N/A means Not Available
4. DTMF receivers are required for standard touch tone telephones, voice mail integration, Tie, DID and DISA lines.
5. An option BIOU is required for up to four zone page relays and four control relays on the CTX100 and CTX670. One control
relay is provided on board the CTX100 processor.
6. Speaker OCA capacity is determined by 2B channel slot availability and power supply. Requires BVSU option in telephone.
Speaker OCA is not available on IPT1020-SD telephones.
7. Up to 100 Station SD numbers, allocated in increments of 10, can be programmed per station.
8. CTX28 supports only the GVMU voice mail systems internally, and the Stratagy ES externally.

Strata CTX General Description

10/04

Capacities
System Capacities

CTX100 Maximum Capacity Configuration
Examples
Table 13

CTX100 Base Cabinet with Digital Telephones and Loop Start Line With or Without Caller ID
4 Universal Slots
40 Stations (Max.)
24 CO lines (Max.)
44 Stations + Analog loop start lines combined (Max.)
Stations

Analog loop start lines

4 (none can have Caller ID)

8 (all can have Caller ID)

16 (none can have Caller ID)

16 (8 can have Caller ID)

241

8 (none can have Caller ID)

1. Using ADKU.

Table 14

CTX100 Base and Expansion Cabinet with Analog Loop Start Lines
8 Universal Slots
72 Stations (Max.)
56 CO lines (Max.)
92 Stations + Analog Loop Start Lines combined (Max.)
Stations

Table 15

Analog loop start lines

20 (none can have Caller ID)

16 (8 can have Caller ID)

32 (none can have Caller ID)

24 (8 can have Caller ID)

16 (all can have Caller ID)

40 (none can have Caller ID)

32 (8 can have Caller ID)

24 (16 can have Caller ID)

48 (none can have Caller ID)

40 (8 can have Caller ID)

32(16 can have Caller ID)

24 (24 can have Caller ID)

32 (24 can have Caller ID)

CTX100 Base Only: Digital Telephones and T1 and/or PRI lines
4 Universal Slots
40 Stations (Max.)
48 lines (Max.)
64 Stations + T1 and/or PRI lines combined (Max.)
Stations
T1 and/or PRI lines
40
24/23
32
40/40
16
48/46

Strata CTX General Description

10/04

Capacities
System Capacities

Table 16

CTX100 Base and Expansion Digital Telephones and with T1 and/or PRI lines
8 Universal Slots
72 Stations (Max.)
64 lines (Max.)
112 Stations + T1 and/or PRI lines
combined (Max.)
Stations

T1 and/or PRI lines1

40/40

48/48

56/48

64/48

1. PRI lines are limited to 48B channels.

Table 17

CTX100 Base Cabinet Only with Analog Tie, DID and /or Ground Start Lines
4 Universal Slots
40 Stations (Max.)
16 CO lines (Max.)
40 Stations + Analog Tie, DID, Ground Start Lines
combined (Max.)

Table 18

Stations

Analog Tie, DID, and/or Ground Start Lines

4 line (Ground Start only)

8 lines (4 Tie/DID max.).

8 line any type

12 line any type

16 line any type

CTX100 Base and Expansion Cabinet with Analog Tie, DID and/or Ground Start Lines
8 Universal Slots
72 Stations (Max.)
32 CO lines (Max.)
80 Stations + Analog Tie, DID and/or Ground Start Lines
combined (Max.)
Stations

Analog Tie, DID, and/or Ground Start Lines

12 lines (4 Tie/DID max.)

16 lines (8 Tie/DID max.)

16 lines (12 Tie/DID max.)

16 lines any type

20 lines (16 Tie/DID max.)

24 lines any type

28 lines any type

Strata CTX General Description

10/04

Capacities
System Capacities

Strata CTX General Description

10/04

Universal Slot Circuit Cards

Universal Printed Circuit Cards installed in the Strata CTX100 or CTX670 cabinets provide
interfaces for stations, lines, and peripherals. Each circuit card measures 7.5 x 5.5 inches (190 x
140 mm) and mounts in the slot with a 44-pin backplane connector. Circuit Card external
connections to station equipment are made to the Main Distribution Frame (MDF) using industrystandard connectors.
Important!

This chapter does not apply to the Strata CTX28.

Station, Line and Option Circuit Cards
The Circuit Cards are categorized as station, CO line or option cards (see Tables 19~21). Feature
subassemblies that plug onto a universal slot circuit card are listed below the associated card. For
details, see the Strata CTX I&M Manual.
Table 19

Station circuit cards

Digital Telephone Interface Unit (ADKU) (CTX100 only)
Interface Options: Provides the same interface options as
Provides eight circuits for 3000 and/or 2000-series digital
the BDKU (see below), but does not support BDKS.
telephones.
Compatible only with CTX100.
Standard Telephone Interface Unit (ASTU) (CTX100 only)
Interface Options:
Standard telephones (no message waiting)
Provides 2 standard telephone circuits. Maximum number Other single-line devices
of ringers per circuit is three
Alternate BGM source
Fax machines
Voice mail devices
Digital Telephone Interface Unit (BDKU)
Interface Options: Digital telephones (with or without BHEU,
BPCI, BVSU, DADMs, or digital cordless telephone).
Supports BDKS.
Provides eight circuits for 3000 and/or 2000-series digital Stand-alone digital cordless telephone
telephones (BDKU) + eight more with BDKS (optional).
DDSS console
BATI
DDCB
Supports large LCD (DKT3014) features.
Digital Telephone Interface Subassembly (BDKS)
Provides eight additional circuits for 3000 and/or 2000Interface Options: Same as BDKU. Not compatible with
series digital telephones. Attaches to BDKU. 1 per BDKU. ADKU or PDKU.
Do not use BDKS for Speaker OCA telephones, except in
slot 103 of the CTX100.

Strata CTX General Description

10/04

Universal Slot Circuit Cards
Station, Line and Option Circuit Cards

Table 19

Station circuit cards (continued)

Digital Telephone Interface Unit (PDKU2)
Provides 8 digital telephone circuits. (2000-series phones
only. Do not use the PDKU for 3000-series digital phones.
With 3000-series DKTs, the LCD display is only 16
characters wide and the Spdial button will not work.

Interface Options: Digital telephones (with or without BHEU
or HHEU, DVSU, DADMs, or digital cordless telephone)
Stand-alone digital cordless telephone
DDSS console
DDCB
Does not support DKT3014-SDL features.

Digital Telephone Interface Unit (BWDKU1A)
Provides 8 or 16 digital telephone circuits. Compatible
with Strata CTX and Strata DK. Jumper plugs on the
circuit card determine the number of DKT circuits and
CTX or DK compatibility. It does not need a Ferrite Core.
It aas 1 protector for every 2 circuits. The BWDKU1A is
similar to BDKU/BDKS, except DKT wiring is all 1 pair.

Interface Options: Digital telephones (with or without BHEU
or HHEU, DVSU, DADMs, or digital cordless telephone)
Stand-alone digital cordless telephone
DDSS console
DDCB

Internet Protocol Telephone (IPT) Interface Unit (BIPU-M1A, BIPU-M2A)
Provides 16 IPT telephone circuits
1 100Base-TX RJ45 port
Built-in Digital Signal Processor (DSP) (BIPS1A-16)

Interface Options: LAN, Virtual Private Network (VPN)
Internet, VPN WAN, Intranet.

1 RS-232 maintenance port

The BIPU-M2A is not NAT compatible.

Network Address Translation (NAT) compatible for remote
IP telephones when connected to the BIPU-M2A.
Enhanced version of MEGACO+ for Voice over IP
Digital/Standard Telephone Interface Unit (RDSU)
Without RSTS, provides:
2 standard telephone/
4 digital telephone circuits (2000-series phones only).

Interface Options:

With RSTS, provides:
4 standard telephone/
4 digital telephone circuits (2000-series phones only).

Standard – same as RSTU (standard Message Waiting not
available)

Digital – same as PDKU.

Standard Telephone Interface Unit (BSTU, RSTU3)
Interface Options:
Standard telephones
Voice mail ports
Off-premises stations
Provides 8 standard telephone circuits. Stutter dial tone is Other similar devices
provided for Message Waiting audible indication.
Alternate BGM source
Auto Attendant digital announcer
Message Waiting lamp
Fax machines
ACD announcer
Standard Telephone Subassembly (RSTS)
Attaches to RDSU. Provides 2 additional standard
telephone circuits. 1 maximum per RDSU.

Interface Options: Same as RSTU, except no Message
Waiting lamp.

-48 Volt Supply Internal Option (R48S)
Attaches to BSTU, RSTU and RDSU
48VDC circuit for up to 8 standard telephone circuits.

Interface Options: Optionally interfaces to the RSTU and
RDSU to extend loop length of standard telephones from
600 ohms to 1200 ohms. Required for OPS operation.

Stratagy DK
Provides 2, 4, six, or 8 VM ports.
All of the above Stratagy DK systems use 8 station ports
of Strata CTX capacity.

Strata CTX General Description

10/04

Universal Slot Circuit Cards
Station, Line and Option Circuit Cards

Table 19

Station circuit cards (continued)

Stratagy IVP8

Supports up to 8 ports, approx. 4 hours of voice storage.
256MB CompactFlash card upgrade provides approx. 16
hrs. of voice storage. Circuit Card has flash momory, 2 RS232 ports (1200~9600 bps) for local or remote PC interface.
(See Stratagy General Description for details).

Stratagy iES32

Preprogrammed for plug-and-play in CTX Base or Exp.,
provides 4~32 voice ports. Also supports fax server and
Unified Messaging (UM). 10/100BaseT Ethernet connection
and a serial port used for Toshiba Proprietary Integration
(TPI). (See Stratagy General Description for details).

Table 20

CO Line Circuit Cards

Strata Net Over VoIP Interface Unit (BIPU-Q1A)
Provides 16 IP QSIG channels
1 100Base-TX RJ45 port
1 RS-232 maintenance port
QSIG over IP standard protocol (ECMA-336)
Voice coding G.711/G.729A
Built-in Digital Signal Processor (DSP) (BIPS1A-16)
NAT compatible

Interface Options: LAN, Virtual Private Network (VPN)
Internet, VPN WAN, Intranet.

Internet Protocol (IP) Interface Unit (BVPU)
Provides 4 VoIP Circuits as E&M Tie lines
1 10Base-T port
1 RS-232 maintenance port
H.323 standard for Voice over Internet Protocol (VoIP)

Interface Options: LAN, Internet, WAN.

Caller ID Interface Unit (RCIU2)
Interface Options:
Provides 4 Caller ID circuits.

Provides Caller ID LCD display for analog loop or ground
start lines with Caller ID. Requires: RCOU, RCOS, RGLU2,
RGLU3 or PCOU. Not compatible with T1.

With RCIS: 8 circuits.
Caller ID Interface Subassembly (RCIS)
Attaches to the RCIU2.

Same as RCIU2.

Direct Inward Dialing Interface Unit (RDDU)
Interface Options:

Provides 4 DID circuits.

DID analog lines.

Enhanced 911 CAMA Trunk Interface Unit (RMCU/RCMS)
E911 CAMA circuits. Provides up to 4 CAMA trunk
circuits. The RMCU/RCMS eliminates the need for
connection of adjunct terminal adapter equipment to
E911 CAMA trunks.

E911 analog CAMA trunks.

Requires 1 or 2 RCMS circuit cards for 2 or 4 CAMA lines
respectively.
CAMA Trunk Subassembly (RCMS)
RCMS attaches to RMCU. Provides 2 E911 CAMA
circuits.

Same as RMCU.

Up to 2 RCMSs per RMCU for 4 CAMA lines max. (1
RCMS comes packaged with the RMCU.)
Ground/Loop Start Interface CO Line Interface Unit (RGLU2, RGLU3)
Provides 4 ground or loop start line circuits. Each can be Interface Options:
individually set for ground or loop start operation.
Analog loop or ground start analog lines.

Strata CTX General Description

10/04

Universal Slot Circuit Cards
Station, Line and Option Circuit Cards

Table 20

CO Line Circuit Cards (continued)

ISDN S/T-type Basic Rate Interface Unit (RBSU)
2 ISDN BRI S/T point circuits (NT or TE). Each circuit is
2B+1D. (Host for the RBSS.)

Interface Options: Network and/or station side.

Basic Rate Interface Subassembly (RBSS)
Attaches to RBSU. 1 RBSS subassembly per RBSU.

Interface Options: Station side only.

2 ISDN BRI, S point circuits (2B+D each).
ISDN U-type Basic Rate Interface Unit (RBUU)
Provides 2 ISDN BRI, U point circuits (2B+D each). Host Interface Options: Network and/or station side. Network
for the RBUS.
side requires a dealer-supplied NT1 interface.
Basic Rate Interface Subassembly (RBUS)
Attaches to RBUU. 1 RBUS subassembly per RBUU.

Interface Options: Network and/or station side.

2 ISDN BRI, U point circuits (2B+D each) subassembly
for the RBUU.
ISDN Primary Rate Interface Unit (RPTU and BPTU)
Interface Options:

Provides (1~8B + D), (1~16B + D), or (1~23B + D)
channels (lines), depends on system programming.
RPTU2 is required for QSIG Networking.

ISDN PRI
POTS
FX
Tie (senderized)
Tie (cut through)
OUTWATS (intra-LATA) and (inter-LATA)
InWATS
QSIG

Loop Start CO Line Interface Unit (RCOU)
Provides 4 CO analog loop start line circuits.

Interface Options:

With RCOS, provides 8 CO analog loop start line circuits. CO analog loop start lines
Loop Start CO Line Interface Subassembly (RCOS)
Provides 4 additional Loop Start CO lines. 1 RCOS
subassembly per RCOU.

Same as RCOU.

T1/DS-1 Interface Unit (RDTU)
Interface Options:
Provides T1 (DS1) Interface: 1~8, 1~16, or 1~24
channels (lines), depends on system programming.

T1
Loop start lines
Ground start lines
Tie lines (wink or immediate)
DID/DOD lines (wink or immediate)

Remote Expansion Cabinet Unit (RRCU)
Supports 2 CTX670 Remote Cabinets. 62.5 mµ, multimode fiber.

Remote Cabinet not supported by main system reserve
power.

Tie Line Unit (REMU2)
Interface Options:

Provides 4 analog Tie line circuits.

Table 21

Option Circuit Cards

Option Interface Unit (BIOU)

E&M Tie lines
2- or 4-wire transmission
Type I and type II signaling
Immediate start
Wink start

Interface Options: Provides Paging output (600 ohm and
3-watt amp), 4 zone paging relays, three MOH interfaces
and 4 control relays (Night Transfer and BGM mute).

Strata CTX General Description

10/04

Universal Slot Circuit Cards
Functional Block Diagrams

Functional Block Diagrams
The Functional Block Diagrams show the circuit cards and interface connectors used for
connecting the stations and peripherals (see Figures 12~15).
Up to Four Programmable Serial (RS-232)
Port Modular Jacks Available

SMDR
Call Accounting

ACTU

Processor PCB

BSIS 1
SMDI or Toshiba Proprietary
Integration

Stratagy ES
Voice Mail

Conference
SW with PAD

(Optional)

MOH/BGM Jack
+Volume Control
Toshiba Proprietary Soft Key LCD Link

AMDS 1
Remote Maintenance
Modem

Remote CTX
WinAdmin PC
Hub
or
LAN

ACD
(CSTA)

Ethernet
Interface

Relay Contact (Programmable)

Local CTX
WinAdmin
DTMF/ABR
Receivers

25 Pair

License

Smart Media
Maintenance
and
Customer
Database

Data and Speech Highway

RJ45

Internet

Amplified Page Output (3 Watts)
1

BIOU

Interface PCB
(one or two per system)

Music Source: External Zone Page
Background Music

ASTU
Virtual slot 09

Relay Contacts
Door Lock Control Relay

MOH/BGM
RCA Jacks

Night Bell Control Relay
MOH/BGM
Volume Controls

External Zone Page Relays (4 Zones)

External Page Amplifier (600 ohm Output)

APSU112
BGM Mute Control Relay

Cabinet
Power Supply

ABCS 1
Battery Charger

12V
Battery
12V
Battery
(2 or 4 Batteries)

Night Control Relay

ABTC - 3m Cable

Main Distribution
Frame (MDF)

Music Source 1: Background Music
and/or Music-on-hold
Music Source 2: Background Music
and/or Music-on-hold
Music Source 3: Background Music
and/or Music-on-hold

Figure 12

Notes
1. Optional.
2. License Control.
On this page, all equipment, except Stratagy ES,
connected to the system processor PCBs and
BIOU PCB is customer-supplied.
6752

CTX100 System Processor and Option Interface Circuit Cards

Strata CTX General Description

10/04

Universal Slot Circuit Cards
Functional Block Diagrams

Up to Four Programmable Serial (RS-232)
Port Modular Jacks Available
SMDR
Call Accounting

BCTU

BSIS

SMDI and Stratagy ES Integration

Stratagy ES
Voice Mail

Processor PCB

Conference
SW with PAD

(Optional)
AMDS1 Remote
Maintenance Modem

Toshiba Proprietary Soft Key LCD Link

Remote CTX
WinAdmin PC

Internet

Hub
or
LAN

ACD
(CSTA)

RJ45

DTMF/ABR
Receivers( Built-In )
Memory

Smart Media
Maintenance
and
Customer
Database

Ethernet
Interface

License

BEXU
Attendant Console
(see Figure 15 for
BATI connection

Time Switch

Memory

Processor PCB

DTMF/ABR
Receivers
( Built-In )

Time Switch

Local CTX
WinAdmin

25 Pair
Amplified Page Output (3 Watts)

MOH/BGM
RCA Jacks

BIOU

Interface PCB

Data and Speech Highway

MOH/BGM Jack
+Volume Control

Relay Contacts, Page Output

MOH/BGM
Volume Controls

Music Source: External Zone Page
Background Music
Door Lock Control Relay

BPSU672

Night Bell Control Relay

Cabinet
Power Supply

Battery Charger
External Zone Page Relays (4 Zones)

12V
Battery
12V
Battery
(2 or 4 Batteries)

External Page Amplifier (600 ohm Output)

BGM Mute Control Relay

Notes
1. Optional.

Night Control Relay

2. Optional. See description of License Control
earlier in this chapter.
Main Distribution
Frame (MDF)

Music Source 1: Background Music
and/or Music-on-hold
Music Source 2: Background Music
and/or Music-on-hold

3. Optional one or two per system.

On this page, all equipment, except Stratagy ES,
connected to the system processor PCBs and
BIOU PCB is customer-supplied.

Music Source 3: Background Music
and/or Music-on-hold

Figure 13

6942

CTX670 System Processor and Optional Interface Circuit Cards

Strata CTX General Description

10/04

Universal Slot Circuit Cards
Functional Block Diagrams

CTX670 Expansion
Cabinets
Optical Fiber Cable
3 km/(1.86 mi.)

RRCU

(CTX670 only)

Remote Cabinet Interface Card

Remote Location(s)
Mode

Msg

Spdial

Mic

Redial

Spkr

Cnf/Trn

Page

Scroll

Feature

With or without
VPN Router
or Server

Vol

Hold

With or without
VPN Router
or Server

IP Network

BIPU-M2A

IP Telephone
Remote
Node(s)

CTX

100Base-TX

IP Network

BIPU-Q1A

BIPU-Q2A
Strata Net QSIG Over IP Unit

CTX / DK
Remote
Location(s)

Mode

Page

Scroll

Spdial

Mic

Redial

Cnf/Trn

BVPU
Voice Over IP Unit (4 Circuits)

Feature

MCK
EXTender
Msg

Spkr

10Base-T

IP Network

BVPU

MCK
Gateway

IP Network

BDKU/BDKS or PDKU
(CTX100 & CTX670) or

Vol

Hold

Remote Location(s)

ADKU (CTX100 only)

Digital
Telephone

RCIU2

Network
Demarcation
Point

4 Caller ID Circuits

(Two 4-Wire Modular Jacks)
(Two 4-Wire Modular Jacks)

RCIS 4 Caller ID Circuits
RCOU3
4 Loop Start Co Lines (Analog)

(Two 4-Wire Modular Jacks)
Central Office
Centrex
PBX
Common Carrier
Other Telephone System
E911 Public Safety Answer
Point (PSAP)
4
Priviate Networking Lines

(Two 4-Wire Modular Jacks)

RCOS (Optional PCB on RCOU Only):
4 Loop Start CO Lines (Analog)

RGLU2, RGLU3
4 Loop or Ground Start CO Lines (Analog)

MDF 1
(Two 4-Wire Modular Jacks)

RDDU

4 DID CO Lines (Analog)

Secondary Protectors 2
(REMU, Four 8-Wire Modular Jacks)

25-pair Amphenol
TOSHIBA NDTU Cable
DB15

REMU
4 E&M Tie Lines (Analog)

Data and Speech Highway

•
•
•
•
•
•
•
•

RDTU2 or RDTU3?
• 2T1 / DS1(24 Channels / Lines)
• Loop Start, Ground Start, Tie, DID
• Digital Voice Lines
PLL Synchronization Circuits

Channel
Service
2
Unit (CSU)

RMCU

Trunk Circuits for E911

CAMA Line (2-wire Modular Jacks)
RCMS

2 Trunk Circuits

RCMS

2 Trunk Circuits

CAMA Line (2-wire Modular Jacks)

Toshiba RPRI-CBL-KIT
Channel
Service 2
Unit (CSU)

BPTU1 or RPTU1 or 2

1. RCIU2/RCIS tip/ring cross
connected to RCOU, RCOS, or
RGLU tip/ring at MDF.
2. Customer-supplied equipment.

NT1 per circuit
3

3. U, S, T, R, are ISDN reference
model termination points.
4. RPTU2 is required for QSIG
Networking.

ISDN PRI (23B+1D channels)
Digital Voice/Data
4
QSIG networks (RPTU2)

8-wire Modular Jacks

RBSU

ISDN BRI (S/T)
2 Circuits (TE)
Voice/Data (2B+D)

RBUU

ISDN BRI (U)
2 Circuits (NT-1?)
Voice/Data (2B+D)

RBUS

ISDN BRI (U)
2 Circuits (NT-1)
Voice/Data (2B+D)

8-wire Modular Jacks
3

8-wire Modular Jacks

U
3

8-wire Modular Jacks

6739

Figure 14

CTX100 and CTX670 CO Line Side Functional Block Diagram

Strata CTX General Description

10/04

Universal Slot Circuit Cards
Functional Block Diagrams

BWDKU

8 or 16 Digital Telephone Circuits

Cordless DKT

Digital Telephone (DKT)
and Add-on Module

Mode

Msg

Spdial

Mic

Redial

Spkr

Cnf/Trn

Page

Scroll

Feature

Vol

Hold

BDKU

8 Digital Telephone Circuits and

BDKU/BDKS

16 Digital Telephone Circuits

ADKU

8 Digital Telephone Circuits (max).

Digital Single Line
Telephone (DKT)

Connects audio path to Attd Console
Handset 4

BATI

Digital Telephone
with BPCI-DI 4
1 Pair Modular Cord

Mode

Page

Scroll

Feature

TAPI PC
Msg

Spdial

Mic

Redial

Spkr

Cnf/Trn

Vol

Hold

(CTX100 only)

RS-232 Cable

DDCB

MDFB

PDKU2

8 Digital Telephone Circuits

Mode

Transformer

RDSU

Music
on-hold
source
(up to 8)

Data and Speech Highway

Mode

R48S

(Option PCB)
2 Standard
Telephone
Circuits

Redial
Cnf/Trn

Door Phones and
Lock Controls

Feature

Digital Telephone
with DSS Console

Msg

Spdial

Mic

Redial

Spkr

Cnf/Trn

Page

Scroll

Feature

Hold

Digital
Telephone

Vol

(Option PCB,
RDSU/RSTU3
Only) -48 Volt
Loop Supply

Hold

Standard
Telephone

Stratagy ES
Voice Mail

VM Ports

iES32

Spdial

Mic

Scroll

Vol

4 Digital Telephone Circuits
2 Standard Telephone Circuits

RSTS

Msg

Spkr

Page

4~32 Voice Mail Circuits (Programmable)
PC

RS-232 Cables

IVP8

2~8 Voice Mail Circuits (Programmable)

Modem
Auto Attendant
(Dealer supplied)

ASTU (CTX100 only)
2 Standard Telephone Circuits

1-pair Modular Cords Fax
2

RSTU3/BSTU
8 Standard
Telephone Circuits

RBSU

2B+1D/Circuit
(2-NT Circuits)

R48S

(Option PCB,
RDSU/RSTU3
Only) -48 Volt
Loop Supply

DPFT

Power Failure
Transfer Unit

Power Failure
1
Standard Telephone (8 max.)

Secondary
Protector

RBSS

Off-premises Station

2B+1D/Circuit
(2-NT Circuits)
3

COM Port
1

RBUU

2B+1D/Circuit
(2-LT Circuits)

RBUS

2B+1D/Circuit
(2-LT Circuits)

U
U

ISDN
Telephone
(TE-1, S-Type)

PC with
Video Card
(TE-1, U-Type)

ISDN
Telephone
(TE-1, U-Type)

Modular Jacks

6966

1. Customer-supplied equipment.

Main Distribution Frame (MDF)

2. RSTU2 or above is required for standard telephone message
waiting lamp.
3. U, S, T, R are ISDN reference model termination points.
4. PDKU and RDSU should only be used for 2000-series digital
telephones. They do not support all of the 3000-series digital telephone
features, including LCD. The PDKU also does not support BPCI, BATI
and the CTX Attendant Console.

Figure 15

CTX100 and CTX670 Station Side Functional Block Diagram

Strata CTX General Description

10/04

Telephones and Peripherals

This chapter covers the Toshiba 3000-series digital telephones, Internet Protocol Telephones
(IPTs), and peripherals that are compatible with Strata CTX BDKU telephone interface circuit
card. The IPT1020-SD and the 3000-series telephones have a number of enhanced features,
including:
• Fixed Speed Dial (Spdial) button
• Four Soft Keys, located below the LCD to respond to the Strata CTX feature prompts
• Wide 24-character x two-line 10- and 20-button LCD on the two-line LCD models
• 24-character x eight-line large LCD model, which offers an adjustable tilt-screen for easy
viewing. Comes with 16 Soft Keys located on the sides of the large LCD to respond to the
Strata CTX feature prompts
• Additional feature adjustments, such as setting button beeps, room noise sensitivity and
handset busy override tone
• Optional tilt stand to adjust the angle of the telephone on the desktop
The Strata CTX also supports the DKT2000- and DKT1000-series telephones; however, these
earlier models do not support all of the features that are available to the 3000-series telephones.
The Strata CTX does not support electronic telephones.
For more information on station and peripheral specifications, refer to the Appendix.

Strata CTX General Description

10/04

Telephones and Peripherals
DKT3000-series and IP Telephones

DKT3000-series and IP Telephones
The Strata CTX supports the Toshiba 3000-series digital telephones and IPT1020-SD IP
telephones, which offer station users a number of useful features that are easy to access (see Figure
16 and photos on the next page).
LCD Display
Mode

Page

Scroll

LCD Control
Buttons/
Soft Keys

Feature

Handset

"StrataIP"
appears on
IP telephones

Red/Green
LED Indicators

Dial Pad
Q

Flexible Buttons
(also known as
Programmable
Buttons - PB)
Msg

Spdial

Mic

Redial

Spkr

Cnf/Trn

Vol

Hold

6753

Fixed Buttons

Figure 16

Microphone Location

Msg

Calls the station or voice mail device that left the message. Message
LED flashes when the station has a message in Voice Mail or from another
station. Also functions as a toggle switch to talk back to a handset OCA caller.

Mic

Turns off the microphone during speakerphone operation for private office
conversations. Also used to talk back to a handset OCA caller.

Spkr

Turns speaker on and mutes handset microphone for group listening.
Also disconnects on-hook dialing calls and is used to toggle the telephone
between handset and speakerphone operation.

Spdial

Used to Dial Speed Dial numbers.

Redial

Redials last number dialed from the station.

Cnf/Trn

Set up Conferences or Transfers calls.

Vol

Controls handset, speaker, and ring volumes.

Hold

Places internal [DN] and outside calls on hold or Exclusive Hold.

3000-Series Digital Telephone and IPT1020-SD Buttons and Features

Strata CTX General Description

10/04

Telephones and Peripherals
DKT3000-series and IP Telephones

The 3000-series telephones provide a number
of useful features including:
• Four or 12 Soft Keys for responding to
extensive feature prompts.

DKT3014-SDL
14-Button Digital Large LCD
Speakerphone

• Flexible buttons – customized for each
telephone to provide Directory Number,
line and feature buttons.
• Hot Dialing – as soon as any dial pad
button is pressed, a CO line or PDN is
automatically selected to originate a call.
• Adjustable button beeps, room noise
sensitivity and the ability to turn handset
call waiting tone On or Off.
• The 3000-series digital telephones are
available in charcoal gray or ash white.
Five 3000-series models are shown below.
The DKT3001 is shown on page 43.

DKT3010-SD
10-Button Digital LCD Speakerphone

DKT3020-SD
20-Button Digital LCD Speakerphone

DKT3010-S
10-Button Digital Speakerphone

DKT3020-S
20-button Digital Speakerphone

Strata CTX General Description

10/04

Telephones and Peripherals
DKT3000-series and IP Telephones

Liquid Crystal Display (LCD) Models
The DKT3010-SD and DKT3020-SD models display up to 24 characters x two lines of
information and provide four Soft Keys.
The DKT3014-SDL has 12 Soft Keys and a 24-character by eight-line LCD that can be tilted to
various levels for optimum viewing. From the idle screen (see Figure 17), you can access
telephone directories and speed dial lists of names or departments, internal or external to the
telephone system. You can page forward or backward, or search by name or letter within a list.

Mode
Page

Scrolling
Directories
Search by
Initials

FRED S
FEB 19

NO. 3371
MONDAY

Direct Station Selection

DIRECT SS

System Speed Dial

SYSTEM SD

Personal Speed Dial

PERSONAL SD

Direct Station Selection
System Speed Dial

EXTERNAL DIR

12:00

Feature
Scroll

INTERNAL DIR

5860

Soft Keys

Figure 17

DKT3014-SDL LCD Screen

All LCD telephone models can provide:
• Advisory Messages
• Automatic Number Identification (ANI)
• Caller ID, Name and Number with call history
• Contrast adjustment (16 levels)
• Date/Time of Day
• Dialed Number Identification Service (DNIS Name and Number)
• Feature Prompting Soft Keys that are used as an alternative to access codes or feature buttons.
Station users can access features by responding to LCD prompts.
• Called Number displays on outgoing calls (1~120 secs.).

Speakerphones
All DKT3000-series phones, except the DKT3001, are speakerphones which provide the
following:
• Handsfree Call Origination – Enables users to place calls, listen and talk back without lifting
the handset.
• Handsfree Answerback – Enables users to answer internal calls without lifting the handset.
• Speaker OCA – Enables users to receive a call over the telephone speaker when busy on an
existing handset call. This feature is not available on the IPT1020-SD.
The DKT2020-FDSP (Full-duplex speakerphone) enables handsfree speakerphone use with the
option to switch between “full-duplex” (concurrent speech) and “voice switch” (alternating
conversation between telephones). It also works with an optional, external, super-directional
microphone (RFDM) for enhanced full duplex performance.

Strata CTX General Description

10/04

Telephones and Peripherals
IP Telephone

IP Telephone
Toshiba offers an Internet Protocol (IP) Telephone
model, the IPT1020-SD (shown right). The BIPU-M2A
circuit card IP telephone interface must be installed in
the Strata CTX100 or CTX670 (for more details, see
“IP Telephone Features” on page 76).
The IPT1020-SD is a 20-button speakerphone model
equipped with an LCD that displays two rows of 24characters. The speakerphone enables users to make and
receive outside and internal calls without lifting the
handset. A full-duplex speakerphone is not supported.

6742

The IPT has the following features:
•

Full DKT feature set (except Speaker OCA), but supports OCA through the handset

•

IPT Anywhere

•

Automatic Configuration

•

Terminal Authentication (security)

•

Supports Digital Add-on Modules (DADM3120)

•

Built-in headset interface for headsets and external speaker connection (HESB)

DKT3001
The DKT3001 is a Digital Single Line Telephone (shown
right). It looks similar to the other 3000-series telephone, but it
has a smaller footprint. It is narrower because there are no
flexible buttons and no LCD.
DKT3001 is not a speakerphone and does not have a Mic
button, so it does not support handsfree answerback or call
origination.
The DKT3001 connects to same digital station port as other
3000-series digital telephones. This makes it compatible with
all Strata CTX and Strata DK systems.

3532

Features
The DKT3001 supports many features of the other 3000-series digital telephones, including:
•
•
•
•
•
•
•
•
•

On-hook dialing
Headset/Loud Ringer Interface (BHEU)
Line button with a red LED. The Line button for the DKT3001 is the [PDN] on this telephone.
Hold button
Cnf/Trn (conference/transfer) button
Flex button (used for Redial or can be programmed as a Flexible button)
Msg button (used for retrieving messages or can be programmed as a Flexible button)
Message Waiting LED
Volume Up/Volume Down button

Strata CTX General Description

10/04

Telephones and Peripherals
Telephone Upgrade Options

• Handset Off-hook Call Announce (OCA)
• Most DKT features through dialed feature access codes
The DKT3001 has many additional feature advantages over standard, analog telephones:
• Automatic Line Selection
• Background Music with station control
• Off-hook Call Announce over handset
• Exclusive Hold
The DKT3001 does not support Handsfree Answerback, Speaker OCA, Add-on module
(DADM3020) or PC Interface Unit (BPCI).

Tilt Stands
Two models of desktop telephone tilt stands are available.
The BTSD telephone tilt stand attaches to the base of any 3000or 2000-series telephone, IPT1020-SD or DSS console.
The BSTA tilt stands support 3000-series digital telephones and
IPT telephones with one or two Add-on modules. Both types of
tilt stands can adjust to four different angles.

Telephone Upgrade Options

5864

Upgrade options for the Toshiba 3000-series digital telephones
and IP telephones are described below.

Digital Add-on Modules
(DADM3120, DADM3020)
The DADM3120 adds 20 feature buttons to the
IPT1020-SD or the DKT3000-series telephones.
The DADM3020 (shown right) adds 20 feature
buttons to DKT3000-series telephones only.
Both the DADM3120 and the DADM3020 provide
the same functions, but they are not interchangeable.
Both the DADM3120 and the DADM3020 have 20
flexible feature buttons that can be assigned as CO
line, Directory Number, DSS, One Touch Speed Dial
or any other flexible feature.
Add-on modules connect directly to the telephones
and do not require an additional interface circuit
(port).

5843

Up to two DADMs can be attached to a telephone to provide 40 buttons to supplement the
telephone's 10 or 20 buttons.
The CTX supports a limited number of DADMs per cabinet (see Table 9 on page 23 for the
capacities of different common control units).
Telephones with Add-on modules cannot support the Integrated PC Interface (BPCI).

Strata CTX General Description

10/04

Telephones and Peripherals
Telephone Upgrade Options

Direct Station Selection (DSS) Console
The DDSS3060 console (shown right) is for system
attendants.
The DDSS3060 operates alongside a digital telephone and
have 60 flexible feature buttons. These flexible feature
buttons can be assigned as CO line, Directory Number, DSS,
One Touch Speed Dial or any other flexible feature. The
DDSS3060 is not compatible with the IPT1020-SD.
Up to eight consoles can operate with one digital telephone;
16 consoles max. per system.
The DDSS3060 console uses LEDs to indicate call and
feature status; the DDSS has dual red and green LEDs to
help further define status, such as station in DND status. The
DDSS3060 console connects to a digital station port on the
ADKU, BDKU, BDKS or PDKU card.

5842

Integrated PC Interface (BPCI)
An optional BPCI can be installed inside any 3000-series telephone to provide a USB connection
to a PC with Microsoft® Windows® Telephony Application Programming Interface (TAPI)
applications.
Information such as ANI, DNIS, and Caller ID data is sent from the digital telephone/BPCI to a
computer to provide information for “pop-up” screens. The Telephone Service Provider Interface
(TSPI) PC software is included with each BPCI.
The BPCI also enables simultaneous Computer Telephone Integration (CTI) and voice features,
without the need of a modem or an extra outgoing line.
The PC Interface (BPCI) cannot be installed in digital phones shared with the Cordless DKT-2004CT telephone, DKT3001 single line telephones, or telephones that have Speaker OCA Interface
(BVSU) or Add-on modules.

Headset/Ringer Interface (BHEU)
The BHEU provides interfaces for both a headset and a loud ringing speaker for DKT3000-series
telephones. The optionally used amplifier in the BHEU enables users to adjust the headset volume
with the volume button on their telephone.
With the loud amplified speaker feature, the speaker amplifies the ringing or voice announcement
of an incoming call. The HESB speaker box is required for the loud ringing speaker and is
normally mounted on a wall near the telephone.
BHEU can be installed in the same telephone that has BPCI or BVSU modules installed.
The BHEU is not required on the IPT1020-SD telephone which has a built-in headset interface.

Speaker Off-hook Call Announce (BVSU)
BVSU-equipped digital telephones can receive Speaker OCA which enables stations to receive
internal calls over their speaker while on another call using the handset. The BVSU is not required
in a telephone to originate OCA calls or in a digital telephone that receives OCA calls through the
handset or headset.
Speaker OCA Interface (BVSU) cannot be installed in DKT3001 telephones or in telephones with
a PC Interface (BPCI). The BVSU cannot be installed in the IPT1020-SD telephones. IPT1020SDs do not support Speaker OCA, but they do support Handset OCA.

Strata CTX General Description

10/04

Telephones and Peripherals
Cordless Digital Telephones

Cordless Digital Telephones
Toshiba offers two cordless digital telephone models, the DKT2204-CT and the DKT2304-CT
(see photos in this section). These compact cordless digital telephones bring mobility and
productivity to office telephones. Greater call access cuts down on leaving messages and playing
“telephone tag.”
The DKT2204-CT and DKT2304-CT telephones operate from the same digital station port as the
DKT3000-series digital telephone. They cannot receive Group Pages or All Call Pages. They can
be attached to a Toshiba DKT3000- or 2000-series corded digital telephone or used as a standalone. If a cordless telephone is attached to a DKT3000, the DKT3000 must be put into 2000mode.
Some of the features for both cordless models include:
•
•
•
•
•
•
•
•
•
•
•
•
•

•

Liquid Crystal Display (LCD) that wraps using two lines, total of 32 characters
Ringer and handset volume control
Single button access to: Conference, Hold, Redial, Message and Transfer features
Four programmable function buttons
Charging stand
AutoStandby
AutoTalk
Vibrate ringer alert
Out-of-range protection
Low-battery protection system
Headset jack (2.5mm)
Stand-alone or DKT operation
High quality ultra-secure conversation with 32Kbps Adaptive Differential Pulse Code
Modulation (ADPCM) voice code combination.
Three ring tones

Note The handset and base unit of each cordless telephone is equipped with the same security

code. In order for a handset to operate, it must be installed with the matching base unit.
A feature comparison of the DKT2204-CT and DKT2304-CT is provided in Table 22.
Table 22

DKT2204-CT and CTX DKT2304-CT Feature Comparison
Feature

DKT2304-CT

DKT2204-CT

Transmission

900 MHz Digital Narrow Band

900 MHz Digital Spread Spectrum

Number of Channels

30 Channels

10 Channels

Talk Time

7 Hours

6 Hours

Stand By Time

120 Hours

96 Hours

Battery Type

NiMH Battery

Ni-Cd Battery

Strata CTX General Description

10/04

Telephones and Peripherals
Cordless Digital Telephones

DKT2204-CT
The DKT2204-CT uses 900MHz Digital Spread Spectrum
Technology, which offers unparalleled range and the best
channel separation in the industry. It’s the best defense
against unwanted interference and it provides superior voice
communication security.
The DKT2204-CT provides:
• Unsurpassed range, two to three times greater than
analog cordless telephones.
• Clarity that is so good, it is indistinguishable from corded
telephones in most environments.
• Maximum security for up to 10 cordless digital telephones
that is almost impossible to scan.

6828

• A wall-mountable separate base and charging unit are provided with the telephone.
Handset measurements in inches: 2.2 wide x 1.66 deep x 8.66 tall. For base and charger
measurements, see Table 37 on page 109.
Note The DKT2204-CT works with Strata CTX and Strata DK telephone systems (except Strata

DK24/56/96, Release 3).

DKT2304-CT
The CTX DKT2304-CT uses 900 MHz Digital Narrow Band
technology that provides:
• Unsurpassed range, two to three times greater than
conventional analog cordless telephones.
• Clarity that is so good, it is indistinguishable from corded
telephones in most environments.
• Maximum security for up to 30 cordless digital telephones
that is almost impossible to scan.
This DKT2304-CT handset is much smaller than previous
models. Measurement in inches: 2.0 wide x 1.25 deep x 5.5
tall. For base and charger measurements, see Table 37 on
page 109.

Strata CTX General Description

10/04

6829

Telephones and Peripherals
CTX Attendant Console

CTX Attendant Console
The Strata CTX Attendant Console runs on a PC with Microsoft® Windows® 2000 Professional
operating system. The Strata CTX Attendant Console PC is equipped with an Intel two gigahertz
CPU in a small, compact desktop chassis that is just the right size for a receptionist’s desk. If there
isn’t any room on the desk for the system to lay flat, it can also be stood on its side for an even
smaller footprint. Add to that the powerful Strata CTX Attendant Console software, and you have
a winning solution for any Strata CTX installation!
The Console connects to the Strata CTX processor via the LAN as a Customer Supported
Telephony Application (CSTA). The Strata CTX system requires the processor NIC interface
subassembly. This is standard on CTX670 and is optional on CTX100 (AETS1A) and CTX28
(GETS1A). It also connects to a digital telephone port for the speech path.
The Attendant Console (CTX-ATTCONSOLE2) consists of the following standard items:
• Attendant Console License for the CTX processor
• Intel 2 GHz CPU
• 256M Random Access Memory (RAM)
• CD R/W drive
• Windows 2000 Professional (factory installed)
• CTX Attendant Console software (factory installed)
• Comprehensive set of multimedia inputs and outputs
• Keyboard & Mouse
The optional items are:
• Special Attendant Keyboard stickers (CTX-KL-ATCON-VA)
• 17” Flat screen Monitor – Toshiba offers a 17” Liquid Crystal Display (LCD) flat screen
monitor; part number CTX-LCD-MONITOR.
• Attendant Console Interface Unit (BATI) and Handset/Cradle (BATHC) connects to a digital
telephone interface port on the Strata CTX. An optional headset can be used in conjunction
with the handset.
...or
a DKT3001 can be used as the console handset. If an optional headset is used, it connects to the
optional BHEU installed in the DKT3001.
Important!

• If a digital telephone is used in place of the BATI/Handset, it can be used as the Attendant
Console Handset only. It cannot be used as a telephone to make or receive calls independent of
the console. This includes when the console is in service or out of service.
The Strata CTX670 system supports up to four, and the CTX28 and CTX100 supports up to two
Attendant Consoles. Multiple consoles automatically share the incoming call load on a call-by-call
rotation basis. Features such as Overflow, Position Busy, and Interposition Call Transfer add to the
efficiency of single or multiple console applications.

Strata CTX General Description

10/04

Telephones and Peripherals
CTX Attendant Console

The CTX Attendant Console is designed to handle all call activity within a single Call Monitor
screen, shown below. All calls will appear in a single list.
Menu Bar

Toolbar Icons

Info Bar

Call List
Call Status
icons

View
Pane
Icons

Call Attributes
(See Appendix
for definitions)

Notes
Directory

Call
Monitor
Tabs

6594

Status Bar

Calls are marked with icons to show the current status.
Features such as Paging, Call Pickup, Call Park offer many alternatives. The Administration
window enables which option is the primary operation for that Attendant. For example, if two
zones are used for paging, as well as the All Call, then an option pull down arrow is next to the
icon. Clicking the icon starts the All Call Page, then the Attendant can select one of two page
zones.
All other views available for the Attendant are for administrative and management use. They do
not control any type of call handling except how chosen options affect the overall operation.
The CTX Attendant Console also enables an attendant to manage console settings, maintain a user
directory, and view call statistics. The Console provides a Name/Number search that works with
automatic or manual call handling. Other features include Queuing, DSS, signaling, Emergency
Call ID, keyboard or mouse operation, and headset or handset operation with volume control.

Strata CTX General Description

10/04

Telephones and Peripherals
Peripherals

Peripherals
The Strata CTX supports several types of stations and customer-supplied peripheral devices, such
as door phones for visitor screening, a music source interface for MOH and ACD queues, a
speaker for amplified ringer, Toshiba Voice Processing systems for voice mail/auto attendant
applications, and more.
Toshiba Digital Solutions Division (DSD) does not provide ISDN or IP station equipment, such as
ISDN IP telephones, fax machines, and computer interface devices for high speed Internet access
or video conferencing. Toshiba does provide the interface circuit boards that support all of the
above ISDN station equipment.

MCK Office Extender and PBX Gateway
The MCK Office Extender enables groups of remote workers to have cost-effective, digital line
extensions off the main location’s Strata CTX system and voice mail system, without the cost or
administrative difficulty of installing a separate system. The Extender offers the following:
• Supports up to one, eight or 12 or 24 users per stackable unit.
• Fully-featured Toshiba digital telephones with Strata CTX system features and ACD.
• Choice of network protocol support and compression rates minimizes communications cost.
• Corporate or remote management tools provide flexible administration.
• Dual Wide Area Network (WAN) interfaces allow multiple network options like T1, Frame,
Digital Data Systems (DDS), Integrated Services Digital Network (ISDN), Digital Subscriber
Line (DSL), cable, etc.

Door Phone (MDFB)
Door phones can be assigned to ring telephones when the button on the door
phone is pressed. The Door Phone location displays on the called telephone’s
LCD. When the telephone answers, a two-way talk path exists between the
telephone and door phone.
Door phones can also be used as sound monitors. Station users can call the
door phone (it will not ring) and listen to sounds from the surrounding area.
Door phones also can operate as a “hot line.” For example, a door phone can
be used for calls between an office and a warehouse. Door Phones are often
used with a door lock to screen building visitors. The door lock can be opened
for a predetermined amount of time by pressing a button on a telephone.

Strata CTX General Description

1873

10/04

Telephones and Peripherals
Cabling and Connectors

Door Phone/Lock Control Unit (DDCB)
The DDCB can support as many as three door phones (MDFBs)
or two door phones (MDFBs) and one door lock control relay.
Using the door lock control, digital station users can unlock a
customer-supplied electronic door lock at the touch of a button
programmed on their digital telephone or by dialing a feature
access code from any type of telephone. Each DDCB requires
one digital station circuit.
Each door lock can be programmed to remain open between
three~30 seconds. The Door Lock button LED remains On while
the lock is open. LCD telephones display “DOOR
UNLOCKED” until the telephone releases or times out.
1874

External Speaker (HESB)
The HESB is a multi-functional, external, six-inch speaker unit with a built-in three-watt amplifier.
It can be used as a paging speaker, an amplified talkback speaker, or a telephone’s Loud Ringer.

Toshiba Stratagy and Stratagy DK Voice Processing
The Strata CTX can operate with Toshiba Stratagy and Stratagy DK voice processing systems,
which provide a number of helpful features. The Strata CTX supports in-band DTMF voice mail
integration for all of the above voice mail systems and requires DTMF receivers. It also supports
standard SMDI and Toshiba Proprietary voice mail integration. Refer to the appropriate Stratagy
literature for details.

Cabling and Connectors
The Strata CTX uses industry standard cabling and connectors to interface with lines, stations, and
peripherals. Stations use standard twisted-pair cabling to connect to the system via the MDF.
Digital and standard telephones require just one pair-cabling. Two pairs may be required to
achieve full distance when optional DKT subassemblies are used.
Digital telephones connected to BDKS require an external power supply to reach maximum
distance from KSU when the telephone has a DADM, BPCI or BVSU.
Station circuit cards connect to stations and peripherals with a 25-pair Amphenol connector via the
MDF. Analog CO, DID, and Tie line circuits interface with the public telephone network via
modular connectors. T1 and ISDN use industry-standard Amphenol and modular connectors (for
details, see Table 34 on page 107).
Peripheral devices such as CTX WinAdmin maintenance PCs, etc., connect to a hub or LAN,
which connects to the processor’s Ethernet LAN interface via an RJ45 connector and Category 5
wiring. Call Accounting and Voice Mail SMDI require RS-232 modular adapters and cords to
connect to the processor BSIS interface.

Strata CTX General Description

10/04

Telephones and Peripherals
Cabling and Connectors

Strata CTX General Description

10/04

Features

This chapter contains the Strata CTX100 and CTX670 features. They are presented in alphabetical
order to make it easy to locate each feature.

Account Codes
System Availability: All systems
Account Codes are often used for cost allocation of the call or the time the caller was involved on
a phone call. The codes are printed on a Station Message Detail Recording (SMDR) printout along
with other call details so that the customer can identify all calls associated with a specific account
code.
Account codes may be forced (required after dialing all or specific phone numbers) or voluntary
(optionally entered anytime during calls). Codes can be as long as 15 digits and can be verified or
non-verified by the system. An account code button can be programmed on a digital telephone to
make voluntary account code entry convenient and easy.

Add-on Module (DADM)
System Availability: All systems
One to two DADM3020s or DADM3120s can be attached to a DKT3000-series digital telephone
to provide an additional 20 or 40 flexible buttons. DADM3020 and DADM3120 buttons can be
programmed with outside line or Directory Number buttons, Direct Station Selection, One Touch
Speed Dial or any other flexible feature button. For more information, see “Digital Add-on
Modules (DADM3120, DADM3020)” on page 44.

Advisory Messages
System Availability: All systems
Any telephone user can set a message on his or her telephone. Whenever another station with a
display calls a station with a message set, the information in the message displays on the calling
station’s LCD. This feature allows users to define their current status and make that status
available to others attempting to call that person. This status is also sent to Attendant Console
positions.

Strata CTX General Description

10/04

Features
Alternate Answer Point

Alternate Answer Point
System Availability: All systems
Users can answer a transferred internal or outside line call from any station that has a Directory
Number button appearance of the “transferred to” Directory Number.

Automatic Busy Redial
System Availability: All systems
Automatic Busy Redial (ABR) enables a digital or standard telephone user to automatically redial
a busy outside number multiple times at programmed intervals. Strata CTX supports a maximum
of 16 or 32 simultaneous registrations of ABR (limited by the number of busy tone detectors in the
system). Each station may only have at most one call registered with ABR at any time.

Automatic Call Distribution (ACD) Server
System Availability: All systems
An external ACD software option with the Strata CTX provided by connection of an external PCbased CTI application server. The CTI server will run both the ACD call processing application
and the separate Management Information System (MIS) application such as Insight CTX, as well
as other CTI applications.
The ACD application will be available in Basic and Enhanced feature functionality, along with the
number of groups and active agent size increments to provide cost-effective pricing levels
according to the user’s needs. Enhanced ACD includes all basic capabilities plus multiple group
login, skills-based routing, priority queuing, time scheduled ACD queues, agent and call priority
escalation handling, and balanced call count agent search. For more information, refer to the Strata
ACD General Description, or the Strata ACD Application Software and Documentation Library or
OAISYS CD-ROMs.

Basic ACD Features
Advanced Call Routing
The optional Call Router enables calls to be routed based upon parameters such as Caller ID,
Account Numbers, private lists, time-of-day, day-of-week, day-of-year, and user entered data
(account code, etc.). This is an optional feature that can be added to the ACD application.
Intelligent Announcements
The holding caller can be informed of call status, such as their place in queue or estimated time
before an agent answers. The intelligent announcement function can also offer alternative options
to continuing to hold, such as going to voice mail.
IVR Voice Assistant Open Database Connectivity (ODBC) Access
There are two options that can be used with customized services: Interactive Voice Response
(IVR) Voice Assistant (VA) application can be used as a stand-alone product and/or as an IVR
service to the ACD application. For example, an IVR port could be used to do an external page to
alert agents to return and login to an ACD queue when it gets too overloaded with calls.
Other useful functions include gather and validate user input, play menus and act on response, and
trigger other events. The IVR VA can also be used to provide low cost text to speech capabilities.
The IVR VA is an optional feature that can be added to the ACD application.

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Features
Automatic Callback (ACB)

Enhanced ACD Features
Agent Priority Routing
The Agent pool can be expanded when traffic gets heavy based upon agent priority levels. When
all agents are busy at one level, calls automatically get distributed to agents at the next level. Calls
can be distributed by agent priority, preferred agent treatment, or balanced call count.
Multiple Group Agent Login
ACD agents can be logged into multiple ACD groups, enabling agents to answer calls for multiple
groups. This is very useful for back up coverage between groups. It is also the foundation for
skills-based routing and agent priority routing, enabling many advanced call center applications.
Skills-based Routing
Based on the caller’s input, the system can route the call to the agent best suited to handle the call.
Calls can be routed to certain agents, based upon agent capabilities, in addition to Dialed Number
Identification Service (DNIS), CO line, or Auto Attendant routing into different groups. With the
capability for agents to log into multiple groups, calls can be routed to different agents based upon
skills needed for each specific call.
Priority Queuing
ACD calls can optionally be tagged with a priority number before they are placed into the ACD
group queue. The priority number assigned to the call determines where the call is placed in queue.
This feature enables high priority calls to be answered sooner than low-priority calls. The
escalation parameter ensures that no call is lost by higher priority calls.

Automatic Callback (ACB)
System Availability: All systems
When a station user dials a busy station [DN] or outside line access code and receives busy tone,
ACB can be activated by pressing an ACB feature Soft Key or by dialing 4. When the busy [DN]
or outside line becomes available, the station will be automatically called back and be connected to
and ring the originally called station or receive dial tone from an outgoing line.
When ACB is activated, the calling station receives success tone followed by busy tone. Once
ACB is activated, the caller can hang up. ACB can be canceled any time using an access code. It
will also cancel automatically after a predetermined time.

Automatic Line Selection
System Availability: All systems
This feature automatically connects a telephone to a specific line or extension button when the user
lifts the handset off-hook, presses the Spkr (speaker) button, or presses a digit on the dial pad (Hot
Dialing). This feature is necessary to make telephone operation consistent for the user because a
telephone can have up to 20 line and extension buttons. Each telephone can be assigned in system
programming with various options that determine what type of line or extension button is selected
when the user takes the handset off-hook to make or answer calls.
When answering calls, this option can be set to answer the call or not when a call rings the
telephone and the user takes the handset off-hook. If the option is set to not answer automatically,
the user can press the ringing button on the telephone to answer manually. With Automatic line
selection, if more than one type of call is ringing simultaneously on the telephone, this option
selects which type of call will be answered as a priority, then the longest ringing call in that call
type will be answered first.
Automatic line selection options are set independently for each telephone, for originating new
calls and answering ringing calls. This feature can also be disabled on all or selected telephones to
allow users to manually press a button to originate or answer calls.

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Features
Automatic Release

Automatic Release
System Availability: All systems
The system will automatically release line connections under certain conditions.

Automatic Release from Hold
When a line is on hold and the held party hangs up, the line is automatically released. Individual
loop start CO lines can be programmed to detect disconnect supervision signals from the CO and
to respond by releasing the line. If the CO does not provide Disconnect Supervision, the user must
manually retrieve the held line and then hang up.

Automatic Release of Incoming Calls
An outside caller may be placed in a queue waiting for an external application to handle the call
such as an Auto Attendant, IVR, ACD or other device. If the CO line for that call does not offer
“disconnect supervision,” that call may remain in a holding position until forced to release the
connection.
This feature provides full use of all CO lines at all times. A CO line is not tied up if the call goes
unanswered and no alternative call handling is provided. This is very useful for disconnect
supervision in voice mail and built-in auto attendant applications, but availability and reliability of
the signaling from the CO must be confirmed.

Station Automatic Release
When the distant party disconnects from a call, the remaining digital telephone is automatically
made idle, busy tone is not sent to the speakerphone or handset, and the digital telephone is
automatically released. A digital telephone is released and returned to idle state. A standard
telephone is simply released and returned to standard dial tone. The programming choice for this
feature is system wide.

Background Music (BGM)
System Availability: All systems
Background music audio can be played through the speakers of digital telephones and external
paging equipment. The Strata CTX supports up to 15 BGM audio input interfaces. Selection of
which BGM source is played can be done individually by each telephone user and for each
external page zone through the System Administrator’s telephone.

Call Completion
System Availability: All systems
When calls are not completed because the station does not answer, is busy, or is in Do Not Disturb.
A series of options are available to the user when encountering these conditions. They include
changing the calling signal from Voice Announce to Ringing or vice versa, setting Automatic
Callback, setting the Message Waiting light, Camp on Busy, Overriding the condition with
Privacy/DND/Executive Overrides, or using Off-Hook Call Announce.
These options are easily activated by dialing a single digit code or pressing a soft key when the
condition is recognized. These options are individually set for each telephone to be able to activate
the call completion feature and separately to permit the feature to be activated when called.

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Features
Call Forward

Call Forward
System Availability: All systems
Call Forward diverts internal and external calls intended for a Directory Number [DN] to a
destination specified for that [DN], under calling conditions specified for that [DN]. Call Forward
may be activated from the station that owns the [DN] or remotely from another station or from
outside the system from a DISA line. Call Forward may be applied to any [DN] ([PDN], [PhDN],
or Pilot [DN]).
There are two types of Call Forward options: System Call Forward and Station Call Forward. Each
type may be activated independently or simultaneously for each telephone. If Station CF is
activated, it will override System Call Forward on some or all calls.

Station Call Forward
Station users can set their individual call forwarding conditions and destinations as they choose
(see “Call Forward Conditions” and “Call Forward Destination” in this section). Station
forwarding has priority over System Call Forwarding, if set.
Station Call Forward provides two types of Call Forward (Any Call and Incoming line calls only).
One type directs any type of a call to a designated destination; the other type directs only private or
DID lines to a designated destination. Both types can be set on a telephone simultaneously with
each type having a unique destination.
This allows the user to forward incoming calls on private or DID lines to a different destination
than internal or transferred calls. If private and DID line calls are set to forward independently to
an alternate destination, then internal and transferred calls will forward to another destination per
Station Call Forward (any call) or System Call Forward.

System Call Forward
A system option is available to forward unanswered calls to voice mail or some other predetermined destination. This option is set up for each station by the System Administrator using
CTX WinAdmin. This feature is applied to station users that do not have any type of Station Call
Forward set on their telephone. This ensures efficient call handling and better service to callers
even when station users do not have Station Call Forward set at their telephone. Call Forwarding
can also be set up by department with a special mailbox or destination with the use of Phantom
Directory Numbers [PhDNs].
There are 32 different System Call Forward patterns that can flexibly forward calls with unique
call type, condition and destination settings. Each pattern can be set up and assigned to individual
stations by a System Administrator using CTX WinAdmin. Any pattern can be applied
independently to each station’s [PDN] or [PhDN]. System Call Forward patterns applied to
stations can be changed automatically per Day/Night CO assignments.
Although System Call Forward is set up and assigned to individual telephones by a System
Administrator, each telephone user can turn the feature On/Off from their telephone using a One
Touch button or access code. Station Call Forwarding always overrides System Call Forward.
With Release 1.3 and higher, you can enable/disable System Call Forward Cascade, which means
that a call that forwards to a destination that is also forwarded will follow the destination’s call
forward.

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Features
Call Forward

Call Forward Conditions
Call Forward (CF) conditions refer to the status of the [DN] that causes a call to forward. Whether
using Station or System Call Forward, the CF conditions include: Busy, No Answer, Busy-No
Answer, and All Calls (station CF only). Call Forward No Answer times are set individually for
each station in Station Call Forward and system wide for all System Call Forward Patterns.
Note OCA and Voice First Calls will not Call Forward-No Answer unless the caller presses 1 to

switch the call to tone ringing.

Call Forward Destination
Whether using Station or System Call Forward, the CF destination can be an internal Directory
Number, a Hunt or ACD Group, Voice Mail, or a public or private network telephone number.
In the last case, the forwarded call will access an outside line or line group and dial an external
telephone number. Both the line access code and the telephone number are set in the Call Forward
destination during the Call Forward setup operation.
Station Call Forward allows one destination per each type of Station Call Forward (Any Call or
Incoming Line Calls) set on a telephone. System Call Forward allows two destinations per Call
Forward pattern: the Primary Destination and an alternate, in case a call cannot forward to the
Primary Destination (e.g., the Primary Destination has been unplugged or malfunctions).

Call Forward – Call Types
In each System Call Forward pattern, the Call Forward conditions and destinations can be set
independently.
For Station Call Forward, the destination and condition for each station can be different for
incoming CO line calls, and internal and transferred calls.

Call Forward Remote
A station’s personal call forwarding destination can be cancelled or changed to another outside
number or an internal voice mailbox either remotely via DISA or from another user’s telephone.
Changing Call Forward remotely is password protected. System Call Forward can be changed
locally or remotely using CTX WinAdmin.

Call Forward Override
See “Call Forward Override” on page 88.

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Features
Call History

Call History
System Availability: All systems
Incoming calls with Caller ID or ANI information may be optionally recorded into a rolling list for
the station where the call is ringing. The call is placed in the list along with the number, name (if
provided), time and date of the call, and status of the call (answered, abandoned, or redirected).
This list is accessible by the user from the telephone LCD and any call may be selected and
redialed using the flexible Caller ID button.
When calls ring a button (Line or [DN]) that appears on multiple stations, the number is stored on
the telephone that is designated as the owner of the Line or [DN] and on the telephone that
answers the call. If an incoming call is directed to a telephone, but the call is not answered by that
telephone because it hunts or forwards to another destination, the call record will still be stored on
that telephone as “redirected” and on the telephone that answers the call as “answered.” If a call is
not answered, it is stored on the line or [DN] owner’s telephone as “abandoned.”
To store call records, a telephone must be allocated Call History memory by the System
Administrator. The number of call records allowed per station and the total number of call records
per system is provided in Table 12 on page 26.

Call Park
System Availability: All systems
Call Park gives any station, regardless of type, a method for holding calls. By parking a call, you
are free to make other calls and retrieve the call at a later time or use the paging system to
announce a call to be picked up by someone else on the system. Any call can be parked. Parking a
call to your phone is known as Local Park, parking a call on someone else’s phone is known as
Remote Park, and if a general orbit is used, it called Auto Park.

Call Park Orbits
The Call Park feature enables a station user to place a call temporarily in an orbit so that the call
can be retrieved by any user, either from the same station or from a different station. Personal Park
Orbits are available to any type of telephone, including standard telephones. If a call is parked, but
not retrieved within a preprogrammed time period, it will recall the parking telephone. The Park
recall time is set individually for each station.
Refer to Table 12 on page 26 for the number of General Park and Personal Park Orbits, depending
on the system processor.

Park and Page
This feature enables station users to park a call (in a General or Personal Park Orbit), enter a Page
Zone or Group access code, and then announce the orbit number of the waiting call to the Paged
party. A pre-programmed One Touch button can be assigned to telephones to automatically
connect to a predesignated External Paging circuit, a Telephone Paging group or both.

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Features
Call Pickup

Call Pickup
System Availability: All systems
Call Pickup enables station users to pick up all types of ringing or held calls including internal,
[PDN] or [PhDN] calls ringing or on hold at other stations. Station users can also pick up CO/DID/
Tie line calls ringing or on hold at other stations, CO lines ringing during Night Mode to External
Page or night bell, tandem CO line connections and Door Phone calls. Call pickup can be
performed through programmable buttons (Directed Pickup, Group Pickup), or with an access
code.

Call Waiting
System Availability: All systems
When a station is busy with a call and another call is directed to that station’s busy Line or [DN]
button, two short beeps are issued to alert the telephone user of the pending call. To answer the
Call Waiting, the user must transfer or disconnect the existing call.
Call Waiting works for calls originating from within or outside the system. The length of the Call
Waiting beeps is different for internal and external Call Waiting. The different beeps distinguish
which type of call is waiting.
Caller ID DNIS or ANI information appears on LCD telephones for 10 seconds. If Caller ID
information is not available, the device name, such as the CO line or DNIS name or number is
shown.
Digital telephones can be adjusted to receive or not receive Call Waiting tone over the handset or
headset receiver, as well as the speaker. Standard telephones will receive Call Waiting tone twice
from the handset receiver. Call Waiting tones can also be turned off on each station by a System
Administrator.
When a station is busy with a call and another call is being received, a tone alerts the caller of a
pending call. On LCD telephones, the Caller ID information displays for 10 seconds. The
combined effect of the Call Waiting alert tone with the displayed information enables users to
identify whether or not they want to interrupt their current call for the waiting call.
To answer the Call Waiting, the current call must be put on hold, terminated or transferred.
Multiple calls can be queued to a single station, all waiting for that station to become free; the call
at the head of the queue provides the Call Waiting signal and LCD indication.
This feature works with both digital and analog single-line telephones. The tone (two beeps)
signaling Call Waiting tone is provided through the speaker of the digital phone. For standard
analog telephones, the tone is inserted into the speech path. Caller ID display is not available with
standard telephones.

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Features
Caller Identification

Caller Identification
Caller Identification (Caller ID) is the general term for the information provided identifying the
originating party of a public network call. The name and telephone number of the calling party
displays on the ringing telephone’s LCD. Incoming calls with Caller ID or Automatic Number
Identification (ANI) information may be optionally recorded into a rolling list for individual
stations. Station users with LCD displays can access this list to select and redial these calls (see
Call History). Caller ID service from the carrier must be subscribed on analog CO lines or T1 ANI
in order to receive calling number and name into the Strata CTX system.
Caller ID lists can include the number, name (if provided), time and date of the call, and status of
the call (answered, abandoned, or redirected). Digital stations are assigned memory for creating
the Call History. See Table 12 on page 26 for the number of call records per station and system.

ISDN Calling ID Name and Number
System Availability: Strata CTX100, CTX670
Both Caller ID name, if available from service provider, and number are supported for incoming
calls using either ISDN NI-1 or NI-2 BRI or PRI lines. Caller ID names can be accepted by the
Strata CTX from a CO with NI-1 or NI-2. NI-2 is the only way a 5ESS CO delivers Caller ID
names on PRI and BRI. Nortel DMS CO with NI-2 installed also uses NI-2 to deliver Caller ID
names. Only a Nortel DMS CO can provide Calling Names for NI-1.

Camp on Busy
System Availability: All systems

Automatic Camp On
When a call comes in to a busy station from an outside line and that station does not have an idle
button for the call to ring in on, and Station Hunting or Call Forward is not applied, the call
automatically camps on to the busy station. This permits incoming calls to be accepted even if the
station is busy. The outside caller will receive ring-back-tone immediately and the called station
will receive two bursts of Call Waiting tone.
If the calling line has Caller ID, ANI, or DNIS information, it will be displayed on the called
station’s LCD for 10 seconds. Auto Camp On also applies to incoming line calls directed to Hunt
Groups, Voice Mail systems, etc.
Various types of internal calls from one station to a busy station, voice mail system or hunt group
can also Camp On automatically with system programming options. For details on these types of
calls see the Camp On-Busy and Station Hunting descriptions.

Off-hook Camp On
A station caller who dials a busy station or line access code can remain off-hook to be
automatically connected when the station or line becomes idle. After dialing a busy [DN] and
receiving busy tone, the caller can just remain off-hook and Camp On will be initiated
automatically after a predetermined time or the user can dial a 1 and remain off-hook to initiate
Camp On immediately. When camp-on is activated, the caller will receive success tone followed
by Ring Back Tone. The station that is the object of a camped-on call will receive two bursts of
call waiting tone (see Call Waiting).

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Features
Cancel Button

Even if Voice First is set at the called [DN], the station will be called by tone ringing when it is
connected by Camp On. Internal and external stations can be the object of a Camp On. Calls may
be camped on to the pilot number of Station Hunting groups and will be delivered to the first
station in the group to become idle. ACD pilot numbers cannot be the object of a Camp On.
Incoming calls from outside lines to busy DNs camp-on automatically (see “Automatic Camp
On,” previous section). When a station dials the access code for an outside line and receives busy
tone because all lines are busy, the user can remain off-hook and dial 1 to camp on to the busy line
group. When a line becomes available, the station will connect to the line and receive dial tone.
When more than one party is camped on (queued) to a destination, the party with the highest
Queuing Priority Level (QPL) will be connected first when the destination becomes available. If
the parties have the same QPL, the longest waiting call will be connected first.
Calls will camp on to hunt groups when all members of the group are busy (see “Station Hunting”
on page 92 for more details).

Cancel Button
System Availability: All systems
The Cancel button voids the last entry or step in a procedure. This enables the station user to
correct an error and then continue without having to starting over.
It is important to consider the consequences of this button in regards to the overall task. For
example, during a conference call, Cancel will disconnect the last party added to the conference.

Centrex/PBX Compatible
System Availability: All systems
All system features are compatible with Centrex/PBX operation, including repeat of Centrex/PBX
ringing cadence, one-button access to Centrex/PBX features, a two- to five-digit station numbering
plan, and Delayed Ringing to selected stations.

Centrex Ringing Repeat
System Availability: All systems
The system can mimic CO/Centrex/PBX ringing cadences received from outside lines when it
rings a called station.

Classes of Service (COS)
System Availability: All systems
Classes of Service are the mechanisms for assigning features and services to lines and stations
within the system. The Class of Service for a given device, such as a station, is defined using 38
parameters. There are 32 Class of Service patterns available, each pattern can be set up to allow a
unique combination of features. Each station and line group can be assigned independently to one
of the 32 COS patterns.

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Features
Computer Telephony Integration (CTI)

Computer Telephony Integration (CTI)
System Availability: All systems
CTI combines the capabilities of the Strata CTX digital business telephone system with custom
functionality provided by computer applications. This can be provided through the optional Digital
Telephone Integrated PC Interface or a system connection using the LAN connection.

Digital Telephone Integrated PC Interface
For CTI applications, digital telephones interface to a PC that runs the application software using
the Microsoft Telephone Application Programming Interface (TAPI), to provide customized
functionality. The PC must run Microsoft Windows software.
Any TAPI-enabled PC software is compatible with Strata CTX systems. The most common types
of application are database look-up and pop-up screens that provide information on the calling
party. From a Strata CTX system, Caller ID, ANI, DNIS and call processing information can be
passed from the digital telephone to the application computer.
The 3000-series digital telephone uses an integrated PC Interface Unit (BPCI) for TAPI and data
switching simultaneous voice/data applications. The 3000-series digital telephone must be
connected to the system through a BDKU digital station card. The BPCI provides a highly
functional interface for fast, positive call control via a USB port and supports media streaming
with TAPI 2.0 functionality.

Conference Calls
System Availability: All systems
Conference calling enables other people to join your conversation. These additional people can be
inside or outside the Strata CTX system. Any station can set up a conference with other stations or
outside lines. A conference is defined as any time three or more parties join into one conversation.
A maximum of eight parties are allowed into a conference with up to six from outside lines or
standard stations. The originator of the first conference is the “master” and controls adding and
deleting conference parties. The conference “master” can drop off the last added party by using the
Cancel button.

Conference On-Hold
A conference call may be put on Hold so that all the remaining conferees remain connected and no
Music-on-hold is applied. The person putting the conference on hold may rejoin the conference by
pressing the Line button on his phone. The Hold state of the conference can be released from
another station by pressing the Line button of that station. At this time, the station that released
the Hold state becomes Conference Master. This enables one person to establish a conference call
for others.

Join Button
Join allows an attendant or digital station user to connect two established calls to each other.

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Features
Continuous DTMF Tone

Split/Join/Drop
This feature enables the conference master to add (Join) other phones to a conference. The
conference master and another member of the conference can leave (Split) the conference for a
private conversation. During this time, other conference members remain connected. The
conference master can then Join both of the Split callers back into the conference, or the master
can Drop (disconnect) the Split member he/she is connected to. This feature requires an LCD
phone with Soft Keys. A flexible Split button can be added to a 3000- or 2000-series telephone to
use this feature.

Releasing from Conference Tandem CO Line Connections
This feature enables unattended line-to-line connections for the Strata CTX, freeing the
conferencing analog station or voice mail port for other calls and important tasks. When a tandem
connection is set up with a [DN] button, the [DN] button will go idle after releasing from the
connection. The [DN] can then be used to make or receive calls from the originating digital
telephone.
Standard telephones and/or VM devices can establish tandem analog CO line connections and then
release from them without disconnecting the tandem connection in the Strata CTX. After releasing
from a tandem call, reconnecting to the call can be accomplished by dialing an access code. This
reconnect feature does not work if one or both of the CO lines are digital.
Whether or not tandem line buttons appear on a telephone, the telephone user can enter the
connection and release the line that was connected to the original line or release both lines by
pressing the Cancel button. For details on 2-B channel release from conference transfer, see
“Integrated Services Digital Network (ISDN)” on page 84.

Voice Mail Conference
Voice Mail ports may be included in conference calls. This enables all members of the conference
to listen to and play voice mail messages.

Continuous DTMF Tone
System Availability: All systems
Dual-Tone Multi-Frequency (DTMF) dial signal is transmitted to the CO line or voice mail/Auto
Attendant device for as long as the telephone user presses a button on the dial pad. This feature
may be selected for each digital telephone. Standard telephones always provide continuous DTMF
tone operation.

Credit Card Calling
System Availability: All systems
Callers can make “0+” telephone credit card calls from selected toll restricted stations. When
dialing from toll restricted stations, if the caller does not enter a credit card number after dialing
“0,” the call will be disconnected. Calls are billed to the credit card instead of the Strata CTX CO
line. The “0+” credit card calling feature can be enabled, selectively, or assigned to stations and
CO lines capable of supporting this service.

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Features
CTX WinAdmin

CTX WinAdmin
System Availability: All systems
CTX WinAdmin is the Strata CTX administration software application for programming and
maintaining the system. It operates with Microsoft Windows 2000 Professional® and Windows
XP Professional, with Windows Explorer 6.0 or higher. It has a user-friendly GUI and provides
access levels for technicians and end-user administrators.
Strata CTX WinAdmin connects to the system processor’s network jack or maintenance modem
(33.6Kpbs/V.34) modem. Direct wire connection, LAN connection or remote connection over the
Internet or PSTN is also available.

Data Privacy
System Availability: All systems
This option blocks calls to data devices that are in use. This prevents override calls and warning
tones from interfering with data devices such as modems and ISDN data terminals.

Day/Night Mode – Auto Schedule
System Availability: All systems
The system has three operating modes that are based on the time-of-day, day-of-the-week, and up
to 128 holiday schedules. The operating modes are Day, Day2, and Night. Each mode controls the
routing of incoming line calls and settings for station and line Class Of Service restrictions. The
system can be programmed to use all three modes, Day/Night mode only, or just the Day mode. The
system switches automatically from one mode to the next based on the system’s time-of-day clock.
Example Day/Night Mode Applications:
• Incoming Calls – Incoming line call routing of individual DID and DNIS numbers or ground/
loop start lines change their ringing destinations automatically according to the date and time of
day.
For example: On workdays, calls are routed to the attendant, individual telephones, ACD groups,
etc., until 5:00 p.m. After 5:00 p.m., calls are routed off-primes to another office, to the Night
Bell, or to night announcements and voice mail message boxes. On holidays and weekends, calls
are routed independently to the appropriate holiday announcements or voice mail message boxes.
• Class Of Service – Station, lines, and DID numbers are assigned 38 options in Class of Service.
These include Toll Restriction, Override privileges, allowed tandem connection, security code
administration, etc. Any of these options can be changed independently for each telephone, line
and DID number when the system switches from one operating mode to another.
For example: When the system changes from the Day to Night mode, selected stations can be
automatically restricted from dialing outside or long distance calls. Note that outgoing route
selections set in LCR are switched using a route selection schedule that is independent of the
Day/Night mode schedule.
• System Call Forward – The System Call Forward settings for stations can be changed
automatically when the system changes from the Day to Night mode. For example: During the
day, a telephone can forward to a person’s car or cell phone, and at night automatically forward
to the person’s voice mailbox.

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Features
Delayed Ringing

• Tenant Services – Up to eight different tenants can each have different attendant or night bell
assignments for day-of-the week schedules using Day 1, Day 2, or Day 3 modes. This feature
is enabled in system programming.
The system also enables users to manually change the Day/Night operating mode, even if the
system is using the Auto Schedule feature. A Night Transfer button can be set on telephones for
manually switching at any time from one mode to another. The button’s LED flash rate indicates
the system’s operating mode.
If used with the System Auto Schedule operation, the Night Transfer button overrides the
current Auto Schedule mode. However, when it is time for the system to switch to another mode
per the Auto Schedule timer, the system will switch to the mode set by the Auto Schedule.
Example: If the system is switched from Day to Night at 2 p.m. manually with the Night Transfer
button (Auto Schedule is set to switch from Day to Night at 6 p.m.), the system will still
automatically switch back to the Day mode at 8 a.m. the next morning per the Auto Schedule.

Delayed Ringing
System Availability: All systems
If an incoming CO, DID or Tie line or internal [DN] call rings a station [DN] and is unanswered,
alternate DKTs can be programmed to ring at a later time. A separate delayed ring time can be set
for each CO line group. The stations that were ringing initially will continue to ring after the Delayed
Ringing begins. This feature is assigned for each line or [DN] button independently for each DKT.
With Strata CTX Release 1.3 and higher, you can assign Delayed Ringing to voice mail and auto
attendants. This feature can also be used to ring multiple (25 max.) telephones immediately or with
a delay to voice mail, auto attendant and/or standard telephones by dialing a group pilot number.
Each group member can have Immediate, Delayed Ring 1 or Delayed Ring 2. Delayed Ring times
are adjustable (1~180 seconds) for each Multiple Call Group.

Destination (Toll) Restriction
System Availability: All systems
Strata CTX offers Destination Restriction as a major expansion of traditional Toll Restriction.
Historically, Toll Restriction was used to prevent the unauthorized use of toll prefixes to the PSTN:
long distance (1), operator assistance (0) or international (011).
Strata CTX has expanded this to include restriction based on any string of dialed digits. A true,
international business telephone system, Strata CTX can restrict any string of up to 11 dialed
digits, including * and #. Eleven-digit screening allows control of access to individual telephone
numbers in remote Area Codes. Restriction of * and # controls users’ access to vertical service
codes from the CO, such as Camp On and Call Forwarding.
A stations’s Destination Restriction level can be changed automatically with Day/Night mode
Auto Scheduling. One use of this feature is to allow a telephone to make outside calls during the
day, but to restrict them at night.

Through Dialing
A telephone user or an attendant can connect a destination-restricted station to a trunk enabling
temporary access to an outside line. The connected station can then use external dial tone to complete
the call, and revert back to destination-restricted status after the call is completed. This maintains the
integrity of toll restriction, while still extending outgoing calling privileges when necessary.

Strata CTX General Description

10/04

Features
Direct Inward Dialing (DID)

Direct Inward Dialing (DID)
System Availability: All systems
This feature allows external callers to dial directly to individual extensions or groups of telephones
without intervention by an operator, IVR or auto attendant. Each incoming DID number, which is
sent to the CTX on a DID line from the CO, can be routed individually to an extension, pooled or
group line button, ACD group, maintenance modem, external page, night bell, voice mail box, or
back out over the public or private telephone network. DID routing assignments can change
automatically when the system switches between the Day and Night Modes.
DID numbers can vary between 1~7 digits in length for each DID line group. Each DID number
can be assigned to 1 of 15 possible music-on-hold sources.
DID service is provided by DID analog, T1, or ISDN line interfaces.

Dialed Number Identification Service (DNIS)
System Availability: All systems
DNIS lines receive 800- and 900-type telephone calls that provide the number the caller dialed to
reach the Strata CTX. The Strata CTX translates the DNIS number into a name that displays on the
telephone’s LCD. This allows the user to identify where the call is coming from and the purpose of
the call before the call is answered.
The DNIS Name/Number routes calls to specific telephones, departments or ACD groups. When
the call is ringing and after it is answered, the DNIS Name/Number displays on the telephone’s
LCD. The name and number display can also be sent to an agent computer to be used by a CTI
application.
Applications include sending DNIS calls to a group of agents that take orders for a number of
different companies and products. The agents know how to answer the calls from the DNIS
display. Using DNIS capabilities allows one group of lines to be used to serve multiple
applications. DNIS service is provided by DID analog, T1 or ISDN line interfaces and provides the
same call routing options and destinations as DID calls.

Digital Pad
System Availability: All systems
The Strata CTX digital pad (decibel loss) is activated for the receiving path of the terminal,
external line or resource.
The system adjusts for differing transmission levels between internal and external devices. This is
very useful for conference calls when external parties have difficulty hearing due to public
network loss. The Strata CTX can be programmed to insert the appropriate digital pad for each
terminal and call type when establishing speech paths between telephones, external lines, and
resources such as conference circuits, external paging devices, and external sound sources. This
minimizes volume loss in conference calls.
The system recognizes these devices:
• Standard analog telephone (Type 500, Type 2500 and the equivalent)
• Toshiba digital telephone, cordless, wireless, door phone
• Analog trunk
• T1 trunk

Strata CTX General Description

10/04

Features
Direct Inward System Access (DISA)

• ISDN extension terminal (Audio and Speech)
• ISDN trunk/Tie line (Audio and Speech)
• Conference circuit
• Holding music source
• External paging device

Direct Inward System Access (DISA)
System Availability: All systems
Direct Inward System Access (DISA) allows outside callers to connect to the Strata CTX and
make station or trunk calls as if they were stations within the system. An incoming call may be
directed to DISA by Direct Inward Dialing lines, ground/loop start lines or Automated Attendant.
Note DISA lines require DTMF receivers.

DISA security code is changeable from a specific station. The station to change the security code
needs to be allowed by Class of Service. This security code can also be changed using the Strata
CTX WinAdmin administration console.
DISA provides access to the features listed below:
• Station Calls
• Station Calls over Private Network
• Attendant Access
• Account Codes
• Tie lines
DISA also provides access to these features, which require a security code:
• LCR
• Direct line access
• Outgoing line group access
• Emergency Call
• Call Forward Remote Control

Directory Numbers
System Availability: All systems
A Directory Number [DN], sometimes called an “extension number,” is the number someone must
call to reach a destination within the system. Each [DN] is assigned to a flexible button on a digital
telephone or as the main directory number of a standard telephone. To maximize call coverage
flexibility. Any [DN] can appear on multiple telephones. Also, individual telephones can have
multiple [DN] buttons with different Directory Numbers.
The system provides Primary and Phantom [DN] buttons on telephones. All [DN] buttons can be
used to originate and answer calls. If you press a [DN] while on a call, it releases the existing call
and provides dial tone to make another call.

Strata CTX General Description

10/04

Features
Distinctive LED Indicator

Primary [DN] Buttons
Primary Directory Number buttons [PDNs] are needed to make calls and receive calls. It is a
telephone’s main extension number. Each telephone is assigned only one [PDN] and that telephone
is designated as the owner of the [PDN]. This [PDN] button can be made to appear multiple times
on the owner telephone and on other telephones (see Phantom [DN] Buttons). Features, Class of
Service, etc., are associated only with the station assigned as the owner of the [PDN]. [PDNs] that
appear on telephones other than the owner telephone are referred to as Secondary DNs [SDNs].

Phantom [DN] Buttons
Phantom [DN] buttons [PhDNs] are additional directory numbers appearing on telephones as
extension buttons. [PhDNs] can be used as independent extensions on the phone or can appear on
multiple phones to be used to allow call handling for departments or groups of telephones.
[PhDNs] can be used to make a telephone appear to have multiple [PDN] extension buttons. When
assigning a [PhDN] for use as another appearance of the [PDN], the display properties are set the
same as the [PDN] and a hunting sequence is set up to roll the calls from the [PDN] over to the
other [PhDN]s associated with the [PDN]. With this arrangement, Call Forward will send calls to
the [PDN]’s destinations and Voice Mailbox.

Pilot [DN]
A Pilot [DN] is a pseudo-location that is assigned a [DN] where calls may be directed. Unlike
[PDNs] and [PhDNs], a Pilot [DN] is not a button on any telephone. A Pilot [DN] is used as a
device where calls can ring and be held while an external application using the Computer
Telephony Interface (CTI) can control the call. To ensure calls do not get lost in the Strata CTX, a
time-out and overflow service is provided to redirect the call when the link is down. Calls being
held on the Pilot [DN] using the CTI link can specify any of the 15 on-hold music sources that are
possible on the Strata CTX.
Pilot DNs are also assigned to Station Hunt Groups (for details, refer to Station Hunting).

Distinctive LED Indicator
System Availability: All systems
Each feature button on a digital telephone has a Light Emitting Diode (LED) indicator. Distinctive
LED indicators provide a method for quickly identifying the status of a line or feature button. The
LED color or flash pattern can identify the call you are currently on, as well as other calls you are
controlling, versus other calls that may appear on your telephone. Each telephone uses dual-color
LEDs: green for lines you are using; red for lines used by someone else.

Distinctive Ringing
System Availability: All systems
Users sometimes need to distinguish the ringing of one button on their phone from another button
and sometimes stations in close proximity to one another need to distinguish the calls on one desk
from another. Typically, multiple sounds are used to provide this distinction. Distinctive ringing
can be assigned to each Line or [DN] button on each telephone.
With Strata CTX Release 1.3 and higher, you can set up to ten different incoming ringing tones for
internal, as well as external calls. Previously, distinctive ring was not provided for internal calls.

Strata CTX General Description

10/04

Features
Do Not Disturb (DND)

Do Not Disturb (DND)
System Availability: All systems
Station users with digital telephones can activate DND to prevent any calls from ringing their
telephone. Callers will hear a fast busy tone when calling stations in the DND mode. Stations in
DND mode can originate calls normally; however, they receive DND stutter dial tone (optional)
when originating calls. With Release 1.3 and higher, users can disable DND stutter dial tone (1/2
sec. burst of busy tone before dial tone) in programming.
Call Forward-Busy will forward calls directed to a telephone with DND set, even if the telephone
has idle [DNs]. Telephones with DND Override capability can ring DND telephones (see “Do Not
Disturb (DND) Override” on page 88).

Direct Station Selection (DSS) Buttons
System Availability: All systems
[DSS] buttons can be placed on digital telephones, add-on modules and DSS consoles. When
placed on one of these devices, these buttons serve two functions: to make direct calls or transfer
calls to other stations; and to display the status of other stations and [PDNs].
The [DSS] button is numbered with a station’s [PDN] and when pressed, calls that [PDN]. [DSS]
buttons are not [DN] buttons, so they do not provide dial tone when pressed. The [DSS] button
LED shows the status of the station and [PDN] it represents (idle, busy, DND or ringing). The
[DSS] LED will turn on steady or flash at a unique rate, depending on the status (see “[DSS]
Button Status Display.”
The [DSS] LED displays the telephone’s status for any type of call on any button, including
[PhDN] and Line buttons. The [DSS] LED also indicates the status of the station’s [PDN] itself. If
the [PDN] appears as a Secondary DN [SDN] on multiple telephones, the DSS status will display
Busy if any telephone is using the [SDN].

[DSS] Button Status Display
Red, steady: Busy on a call not connected to your telephone
Green, steady: Busy on a call connected to your telephone
Red, quick flash rate: Ringing
Red, slow flash rate: Do Not Disturb

DTMF Receivers
System Availability: All systems
DTMF receivers are used when receiving incoming DNIS DID, Tie or DISA line calls and when
originating calls with standard tone-dial telephones. Voice mail systems also require DTMF
receivers for a number of VM features, even if using SMDI or Toshiba Proprietary VM
integration. Four circuits are automatically active with the initial basic processor. Activation of
more than four receivers requires the purchase of a DTMF software license, in four-circuit
increments.
DTMF receivers require an optional ARCS subassembly on the CTX100 processor and are built
into the CTX670 processor. For the number of receiver circuits, refer to Table 12 on page 26.

Strata CTX General Description

10/04

Features
Emergency Call

DTMF Back Tone
The system can be programmed to allow or prevent Dual-tone Multi-frequency (DTMF) tones
from being returned to digital telephones when a user dials on outside lines or sends DTMF digits
to a voice mail device.

DTMF and Dial Pulse CO Line Compatibility
When making outside calls, signals generated by pressing the dial pad buttons of a digital
telephone are neither DTMF nor rotary dial signals – they are digital signals. The system can be
programmed to translate these signals to either DTMF or rotary dial signals as required by the
serving CO. Once the connection has been made, any further digits sent will always be sent as
DTMF or rotary to allow the operation of devices at the other end of the connection.

DTMF Signal Time
DTMF tones that are sent via Speed Dial to lines and via automatic dialing to voice mail devices
can be set to 80 or 160 milliseconds, or continuously. The time can be set system wide
independently for line out-dialing and for voice mail automatic dialing.

Emergency Call
System Availability: All systems
An Emergency Call access code can be established in the Strata CTX to route calls to specified
emergency destinations and to prioritize their delivery to those destinations. Up to four emergency
destinations can be programmed for each mode of operation: Day, Day2 and Night. This is
particularly useful in applications where employees, patients or guests are not expected to know
where to call for help at different times of the day.

Feature Prompting with Soft Keys
System Availability: All systems
As an alternative to dialing access codes and using feature buttons, station users with LCD digital
telephones use Soft Keys (shown on their LCD) to access features. Abbreviated feature names
appear during a call (when the telephone is in the ring or talk state) on the LCD above fixed keys.
Users can select a feature by pressing the associated key. The LCD feature selections change
according to the call state to provide the most logical options.

Enhanced E911
System Availability: All systems
Enhanced 911 calling means the routing of a call to the appropriate Public Safety Answering
Position (PSAP) accompanied by Caller Emergency Services Identifier (CESID). The CESID
identifies the location to which emergency services are to be sent. The Strata CTX can use two
types of trunks to deliver E911 calls: ISDN Primary Rate Interface and CAMA (Centralized
Automatic Message Accounting) trunks. Each 911 call generates an SMDR record at the
beginning of the call to enable the business to initiate its own emergency response. Internal
emergency destinations can also be automatically included in an emergency call. E911 calls can be
routed across a Strata Net network for connection to the public network.

Strata CTX General Description

10/04

Features
External Amplified Speaker

External Amplified Speaker
System Availability: All systems
The External Amplified Speaker (HESB) is a six-inch, three-watt speaker with a three-watt
amplifier built into a wooden speaker box. The amplified ringer can be used to:
• Amplify the ringing on a digital telephone.
• Provide a paging amplifier/speaker.
• Create an amplified talk-back speaker arrangement in an area where a telephone is not needed.
The HESB is installed as a speaker and connected to a door phone unit that is used as the talkback microphone.
Amplified ringing can improve call handling in noisy areas where non-amplified ringing on a
phone may not be heard.
A paging speaker ensures that paging announcements can be clearly heard throughout an area. In
an area where a DKT is not needed, a talk-back speaker provides a cost-effective communications
solution.
The number of HESBs that can be installed per system depends on the function of the HESB. Any
number of HESBs can provide loud ringers for digital telephones. Only one HESB can be installed
if it is used as a paging or an amplified talk-back speaker.
Note A BHEU interface and an HESC-65A cable are required for each digital phone that has a

loud ringing bell. IP telephones require HESC-65A, but not BHEU to support External
Amplified Speaker. A 3000- or 2000-series digital telephone that has been upgraded with a
data interface unit can be upgraded with the BHEU options, but older telephone models
cannot.

Flash Button
System Availability: All systems
This is an optional button that can be assigned on digital telephones. It can be used either to
disconnect a line and regain CO dial tone, or to gain access to Centrex features. The timing choice
is set system wide through system programming. Standard telephones can dial an access code to
flash Centrex lines.

Flexible Line Ringing
System Availability: All systems
CO line ringing can be assigned to ring a specified [DN] on a station, a [DN] appearing on
multiple stations, a Pilot [DN], a direct appearance of the CO line, a Pooled appearance of CO
lines, or Group CO line appearance. These assignments direct the ringing of the incoming call
based upon the three Day/Night Modes of operation and offer immediate and two delayed ringing
parameters. The delay parameters are assigned for each incoming Line Group.

Strata CTX General Description

10/04

Features
Flexible Numbering

Flexible Numbering
System Availability: All systems
The Strata CTX allows the system-numbering plan to be customized for the user’s needs.
Directory numbers, line and feature access codes, and Network Coordinated Numbering can be
established uniquely in each system.

Handsfree Answerback
System Availability: All systems
When a voice-announced internal [DN] call comes in to a digital telephone, users can answer
without lifting the handset. Cordless and single line digital telephones and standard telephones are
not compatible with this feature.

Headset
System Availability: All systems
3000-series digital telephones may be optionally equipped with a modular headset jack by
installing a BHEU circuit card.

Hearing Aid Compatible
System Availability: All systems
All Toshiba digital telephones are hearing aid compatible.

High Call Volume Buttons
System Availability: All systems
Release, Release/Answer, and Cancel buttons can be assigned to digital telephones. They

enable a busy user to handle calls quickly and efficiently in high call volume situations.
With one touch of the Release button, a user can disconnect from a call. This is especially useful
in headset applications. The Release/Answer button disconnects or transfers the current call,
and answers the next. The Cancel button voids the last operation, such as disconnecting internal
or external parties from conference or tandem calls.

Strata CTX General Description

10/04

Features
Hold

Hold
System Availability: All systems
There are several variations of Hold:

Automatic Hold
This option enables a user to place a CO Line or [DN] call on Hold by pressing another CO Line or
[DN] button. The user can then alternate between the new and the old call by pressing the desired
Line or [DN]. If this feature is not activated, users must press Hold before accessing another line
and switching between calls.

Analog Hold
This option enables a user to place a CO Line or [DN] call on Hold and the Line LED will flash on
other DKT telephones when the call is parked. This enables the call to be picked up from other
telephones. This feature must be set in programming.

Call Hold
This is the most commonly used. Call Hold temporarily suspends a call, allowing the station user
to do other things, including using the phone. Callers on hold can receive music or announcements
as described in the Music-on-hold feature.

Consultation Hold
This is used when invoking other call features, such as Call Transfer or Conference.

Exclusive Hold
A call can be placed on Exclusive Hold to ensure the privacy of the connection and that the call
can only be retrieved by you, even if the held call appears on buttons on other telephones.

Hold Recall
After placing a call on hold, it will recall the holding telephone after a predetermined time to
remind the user of the held call. The hold recall time is set independently for each telephone (from
0~255 secs.). Hold recall time can also be disabled.

Hot Dialing
System Availability: All systems
Hot dialing enables the digital telephone user to begin on-hook dialing without pressing a Line or
[DN] button. The station can be programmed to automatically select a Line or [PDN] button when
the dial pad is pressed while the station is idle. This saves a keystroke by not requiring the station
user to press a [DN] or Line button to begin on-hook dialing. On-hook dialing saves time by not
requiring the station user to lift the handset to begin dialing.

Hotline Service
System Availability: All systems
If a station remains off hook for a programmable period, it can automatically be directed
(immediately or with a delay) to a pre-programmed destination. The station may have partially
dialed a number or have dialed no digits at all.
Each station is programmed with its specific ring down destination. This is particularly useful in
applications where employees, patients or guests are not expected to know where to call for help at
different times of the day. This feature is compatible with standard and digital telephones.

Strata CTX General Description

10/04

Features
IP Telephony

IP Telephony
Data Network Assessment for Voice Traffic
System Availability: Strata CTX100, CTX670
Important!

Voice over Internet Protocol (VoIP) can be affected by numerous factors related to
network structure and design. To prevent delays, jitter and voice data packet loss,
and achieve optimum VoIP traffic performance, your network must be designed or
redesigned for voice traffic with priority over data.

Toshiba highly recommends that the installing dealer assess the existing network for proper
handling of voice traffic and make sure it provides the required bandwidth per the number of
deployed VoIP instruments. Toshiba is not responsible for: network assessment for voice traffic,
network design/redesign or network support outside the topology it provides. Nor is Toshiba
responsible for diminished Quality of Service (QoS) caused by networks not capable of providing
necessary VoIP bandwidth.
Expected voice QoS as it relates to network parameters is shown in Table 41 on page 112.

Overview
The CTX supports Toshiba proprietary IP telephones, enhancing the CTX VoIP capabilities, and
providing powerful IP telephony add-on solutions for remote users. The Toshiba IPT1020-SD IP
telephone is compatible with Strata CTX100 and CTX670 systems with R2.0 or higher software.
The Toshiba IP telephony strategy is based upon a transitional approach. For most enterprises, the
migration path to IP telephony will be a gradual process rather than an event in time. Instead of
acquiring IP technology benefits through complete system replacement at higher cost and higher
risk, most enterprises prefer to integrate voice and data IP traffic into their existing telephone
systems as the need arises. This protects their investment in existing voice and data networks and
represents a low risk migration path. Toshiba has transformed Strata CTX systems into IP-enabled
communication systems to achieve this very important objective.

IP Telephone
System Availability: Strata CTX100, CTX670
The Toshiba IPT1020-SD IP telephone supports almost all the same Strata CTX features as 3000series digital telephones, extending the functionality of the Strata CTX to any location supported
over an IP network. The only feature the IPT1020-SD telephone does not support is Speaker Offhook Call Announce, but it does support Off-hook Call Announce over telephone handset. (For a
photo, see “IP Telephone” on page 43).

CTX IP Protocol
System Availability: Strata CTX100, CTX670
CTX IP uses an industry standard IP communication protocol, RFC3015 Media Gateway Control
(MEGACO+). Toshiba chose the MEGACO+ protocol for call control because it provides better
stimulus response that makes the telephone work efficiently over the IP network local area or wide
area network (LAN or WAN). In fact, Toshiba uses an enhanced version of MEGACO+ that
enables the Strata CTX to provide all the feature functionality of DKT3000-series telephone to IP
telephone users much better than could be done using other protocols.
This represents a very powerful feature set, as compared to many competitors’ IP telephones
which don’t support important telephone features such as:

Strata CTX General Description

10/04

Features
IP Telephony

•
•
•
•

Busy Lamp Field (BLF) display of station status
Background Music through telephone speakers
Paging over telephone speakers
Off-hook Call Announce over telephone handset

IP Telephone Features
System Availability: Strata CTX100, CTX670
The Toshiba IPT1020-SD IP telephone is
a 20-button speakerphone with a two-line
by 24-character display. It looks and
functions just like a DKT3020-SD digital
telephone; however, it has different builtin connectors (shown right):
•

The AC adapter (model BADP1201A supplied with the IPT1020-SD)
powers the telephone if PowerDsine’s
Power Over LANTM is not used (see
“Power Over LAN” on page 80 for
details). IPT1020-SDs do not use the
CTX power supply, so there is no
power restriction to limit the number
of IP telephones that can connect to an
individual Strata CTX cabinet.

AC Adapter

Connects Connects
to LAN Switch, to PC
Router
Built in
Headset
or HESB
Interface

Power
Over LAN

LAN
DC12V
_
+

• The RJ45 LAN jack connects the
telephone to the network via the
10Base-T/100Base-TX cable supplied
with the IPT1020-SD. The IPT1020SD operates on the network at 10/100
Mbps and can be connected to a fast
switch hub, router, LAN, WAN, etc.

PC
HEADSET

6682

• The RJ45 PC jack can connect the IPT1020-SD to the user’s PC. The IPT1020-SD can operate
like a switch, as opposed to a hub, so the telephone can be connected directly to the LAN or
Cable/DSL modem, and then a PC can be connected to the telephone PC jack to connect to the
LAN through the telephone.
• The built-in headset jack enables headsets to be connected to the telephone. No optional
headset interface is required. The same carbon or ECM headsets used on Toshiba digital
telephones can be used on IP telephones.
The IPT1020-SD also has the following attributes and capabilities:
• The IPT1020-SD contains two types of codecs (coder/decoder): G.711 and G.729A. The codec
determines the IP telephone voice quality and network bandwidth requirements. The G.711
requires the most bandwidth and provides the best voice quality. The G.729A requires less
bandwidth, but it does not provide the best voice quality. The desired codec is selectable for
each IP telephone in IP station administration using CTX WinAdmin.
• The external ringer interface connector is mounted inside the telephone base. This enables
connection of an HESB external speaker device to provide a loud ringer for the IP telephone.
• Existing tilt stands (BTSD and BTSA) are compatible with then IPT1020-SD to adjust the
angle of the telephone as desired.

Strata CTX General Description

10/04

Features
IP Telephony

• There is no limit to the number of IP telephones that can be configured on Strata CTX systems.
All telephones in the system can be IP telephones up to the system’s maximum station capacity
(see Table 9 on page 23).
• Terminal Authentication is an option that allows a particular IP telephone to keep a reserved
directory number on a CTX system. This prevents IP telephones from logging in with another
telephone’s directory number if the other telephone has been disconnected to be taken to
another location. This feature uses the unique Media Access Control (MAC) address that is
permanently coded into each telephone network interface circuit. The unique MAC address of
the telephone is assigned to a particular directory number in system programming.
• IPT firmware can be updated locally or remotely using CTX WinAdmin. This enables service
personnel to update IP equipment with new features and enhancements as they become
available. Updates require a brief interruption of IP telephone operation (a few minutes).
• IP telephones have a discovery retry timer to prevent network congestion when many IP
telephones request services simultaneously. If network congestion is detected, the telephone
will pause and then retry for service.
• IP telephones have loop back and ping capabilities for maintenance and fault finding purposes.
• IP telephones support Dynamic Host Configuration Protocol (DHCP) or static IP addressing.
For a photo of the IPT1020-SD, see “IP Telephone” on page 43.

IP Add-on Module
System Availability: Strata CTX100, CTX670
A 20-button Add-on Module (DADM3120) is available for use with the IPT1020-SD IP telephone.
It looks and functions just like a DADM3020 digital Add-on Module. The DADM3120s can
connect to the IPT1020-SD IP or DKT3000-series telephones to provide 20 or 40 additional
feature or DSS/BLF buttons.

IP Interface Unit
System Availability: Strata CTX100, CTX670
The IP interface unit (BIPU-M2A) is a 16-port circuit card that installs in a slot in the Strata CTX.
The BIPU-M2A has the following attributes and capabilities:
• The BIPU-M2A can be programmed in software to activate 16 channels to interface with
IPT1020-SD telephones.
• The BIPU-M2A supports both G.711 and G.729A standard codec compressions simultaneously.
The type of compression used is set independently for each telephone in system programming
(see the “IP Telephone” section.)
• With the BIPU-M2A, the IP telephone will now work with DSL and cable routers.
The BIPU-M2A operates on the network at 10/100 Mbps and can be connected to a fast switch
router, LAN, WAN, etc. When connecting remote IP telephones to the BIPU-M2A over the
Internet, a VPN router is needed to circumvent Network Address Translation (NAT) and
firewall issues by tunneling. Otherwise, the BIPU-2MA must be configured with a public IP
address outside the network firewall.
• BIPU-M2A provides MEGACO+ mobility to enable roaming with Toshiba Mobility
Communications System (MCS) applications (available with Toshiba MCS R1.0). The
BIPU-M2 enables remote IP telephones to be connected over VPN and non-VPN IP networks.
• BIPU-M2A firmware can be updated locally or remotely using CTX WinAdmin. This enables
service personnel to update IP equipment with new features and enhancements as they become
available. Updates require a brief interruption of IP telephone operation (a few minutes).

Strata CTX General Description

10/04

Features
IP Telephony

IPT Anywhere
System Availability: Strata CTX100, CTX670
IPT Anywhere enables you to connect IP telephones remotely through the Internet and use all Strata
CTX telephone features (except Speaker OCA). IPT remote connections can be set with or without
the use of Virtual Private Network (VPN). VPN connections provide increased security and are
recommended for permanent type IPT remote connections. When moving IPT telephones frequently
to different locations (hotels, conferences, etc.), non-VPN connections are more practical.
When using home type xDSL or cable connections, only one or two IPTs may be connected
because of xDSL and cable bandwidth limitations. High speed T1, fiber, or Asynchronous Transfer
Mode (ATM)-type connections are required when installing more than two IPTs at a remote site.
An Internet configuration could use the following connections:
•
•

•
•
•
•

No VPN, and thus, no security
Third party VPN software residing on DHCP gateway server. To connect IPTs over the Internet,
using third party or Microsoft VPN software residing on a DHCP gateway server, see Figure 18.
ATM (IP over ATM virtualization by VC/VP)
Broadband Ethernet virtualization by Virtual LAN (VLAN)
IP-VPN (IP-VPN based on Multi-protocol Label Switching (MPLS)
Private line connection

For an access line to link the user’s location with the access point of the carrier or provider, using a
private line, broadband line (xDSL, CATV), or fiber optics is recommended.
The IPT Anywhere feature enables remote IP telephone users working in branch offices or home
offices to make full use of the extension features of the Strata CTX. The diagram below shows IPT
Anywhere connections using the optional VPN conection.
IPT
Main Office
IPT

Satellite
Office

Router/
LAN Switch

IPT

Satellite
Office

LAN
Private
Line

IPT

VPN Router/
LAN Switch
or Server

*
*

IP Network
(Internet, Intranet, WAN)

VPN Router/
LAN Switch

LAN

IPT

IPT
VPN
Tunneling

LAN

Strata CTX

*
Call Center
Contact Center

IPT

Figure 18

IPT

VPN Router/
LAN Switch

LAN

*xDSL, Cable,
T1, Fiber, etc.

Cable/
DSL Modem
VPN Router/
LAN Switch

IPT

Home Office
IPT Anywhere

6831

IPT Anywhere Example

Strata CTX General Description

10/04

Features
IP Telephony

Quality of Service (QoS) and Bandwidth
System Availability: Strata CTX100, CTX670
In any telephone system, deploying many IP telephones on a data LAN can have some unexpected
pitfalls if the network does not have the bandwidth and speed required to handle VoIP traffic. To
prevent delay, jitter, and data loss for VoIP traffic and retain the performance of your other
business-critical network applications a Network Voice Readiness Assessment must be completed
before installing VoIP. Toshiba is not responsible for Network Voice Readiness Assessments.
More information about Voice Readiness Assessment can be found at http://www.netiq.com/
products/vm/whitepapers.asp.
CTX IP provides a number of adjustable tuning parameters dealing with sharing of network
resources, collectively referred to as Quality of Service (QoS). Expected voice QoS as it relates to
network parameters, including bandwidth, is shown in Table 41 on page 112.
Some CTX IP voice quality adjustable parameters are listed below:
System Wide Parameters
• Software selectable G.711 or G.729A codecs with variable interval timing
• Type of Service (TOS) precedence, delay, throughput and reliability types can be individually
selected
• Differentiated Services (Diffserv) can be enabled
IP Telephone Group Parameters (256 groups)
•
•
•
•
•
•

Voice Packet Transmission Interval
Jitter buffer type
Jitter buffer length
Maximum acceptable delay
Packet loss threshold
IEEE802.1p

Priority Control
Priority Control can be enabled system wide. It provides a framework in which voice traffic
flowing on an IP network is given priority for processing. The CTX supports IEEE802.1p and
Differentiated Services “Diffserv” priority control protocols- selectable. In order to have priority
control processing work accurately, network equipment (router, switch, etc.) must support this
function and appropriate service must be ordered from the ISP provider or carrier.
QoS Measurement
CTX WinAdmin can measure the IPT QoS parameters listed below:
•
•
•
•

Packets (sent/received)
Delay (msec.)
Jitter (msec.)
Loss (%)

Strata CTX General Description

10/04

Features
IP Telephony

CTX Analog CO Line Interface Compatibility
To provide optimum voice quality of IP telephones and IP QSIT Strata Net networks on Strata
CTX systems, there are some compatibility requirements that must be followed when using analog
CO line cards in the system.
• Toshiba highly recommends only using RCOU3A, RCOS3A, REMU2A (two-wire/four-wire),
REMU1A (four-wire), RDDU2A, and RGLU3A analog CO line interfaces in IP phone
applications. These circuit cards provide optimum speech quality for IPT1020-SD IP phone
connections.
• Do not use RCOU1A, RCOS1A, REMU1A (two-wire), RDDU1A, RGLU1A, or RGLU2A
analog CO line interfaces in IP telephone applications. These circuit cards will work, but will
cause IP telephone users to experience unacceptable voice quality and echo return loss.

Power Over LAN
System Availability: Strata CTX100, CTX670
The IPT1020-SD IP telephone requires local power for operation unless connected to a LAN that
has been equipped with special equipment to provide telephone power over the LAN. The AC
adapter (model BADP120-1A) supplied with the IPT1020-SD powers the telephone and is
included in the price.
If the customer prefers not to use local power in favor of powering the telephones over the LAN,
certain PowerDsine PD-6000 Power Over LANTM products, with software revision 6805 or later,
are compatible with IPT1020-SD usage on a LAN. These products are purchased from
PowerDsine, Ltd., http://www.powerdsine.com, and are not available from Toshiba.
The PowerDsine PD-6000 Power Over LAN products shown in Table 23, with software revision
6805 or later, are compatible with the Toshiba IPT1020-SD. AC and AC/DC models are available.
Table 23

Power Over LAN Specifications

Ports, appearance

Model Name

Input

PD-PH-6024/ACDC/48

AC input Voltage: 88 – 264 VAC
AC Frequency: 47 – 63 Hz
DC input Current: 10A at 48 VDC

PD-PH-6024/AC/48

AC input Voltage: 88 – 264 VAC
AC Frequency: 47 – 63 Hz

PD-PH-6012/ACDC/48

AC input Voltage: 88 – 264 VAC
AC Frequency: 47 – 63 Hz
DC input Current: 10A at 48 VDC

PD-PH-6012/AC/48

AC input Voltage: 88 – 264 VAC
AC Frequency: 47 – 63 Hz

PD-PH-6006/ACDC/48

AC input Voltage: 88 – 264 VAC
AC Frequency: 47 – 63 Hz
DC input Current: 10A at 48 VDC

PD-PH-6006/AC/48

AC input Voltage: 88 – 264 VAC
AC Frequency: 47 – 63 Hz

24 port type

12 port type

6 port type

Important!

Output

Output Voltage: 48VDC
User Port Power:
16.8W (Max.)
Data Rates:
10/100 Mbps

Whenever ordering PowerDsine PD-6000 “Power Over LAN” products, be sure to
specify they have software revision 6805 or later, and they are for use with the
Toshiba IPT1020-SD IP telephone. You can tell the software version by looking at
the serial number of the PowerDsine unit. The four-digit software version number is
imbedded in the middle of the 15-digit serial number.

Strata CTX General Description

10/04

Features
IP Telephony

Toshiba SoftIPT IP Telephone
System Availability: Strata CTX100, CTX670
The Toshiba SoftIPTTM is an IP telephony client that works with a wired or wireless (Wi-Fi) tablet,
laptop or desktop PC. The Toshiba SoftIPT integrates the power of a PC with all of the features
available on a DKT3000-series telephone, except background music.
With the Toshiba SoftIPT installed on a Wi-Fi laptop PC, users can have true mobility with access
to voice mail, programmable feature buttons, and a directory that works with Microsoft®
Outlook® 2002. (In the future, the SoftIPT will be available for installation on Wi-Fi Pocket PCs.)
SoftIPT operation requires a wired or wireless connection over the IP network (Internet, WAN,
LAN, etc.) to the CTX BIPU-M2A IP interface. The software uses the MEGACO+ protocol for
call control signaling and RTP for voice transmission, allowing virtually all of the features of a
desktop phone to be implemented on a desktop computer.
The Toshiba Soft Phone works on desktop or laptop PC with Windows XP, or higher, operating
systems (OS).
The Toshiba SoftIPT operates much the same as a Toshiba Digital 3000-series telephone (see
Figure 19).
A mouse or stylus is used to click or select the buttons. The Call button operates the same as the
DKT3000-series telephone Spkr button. Additionally, there are multiple feature buttons that can
be customized from telephone programming mode.

Live call
progress
display

Click
More Features
to see more buttons
or the directory.
Mute turns
microphone
speaker On/Off.

Soft Keys
Volume
Control

Up to six flexible
buttons are
programmed from
the Strata CTX.

Select or
click on
dial pad
buttons
6821

Figure 19

Toshiba SoftIPT Sample Screen

Strata CTX General Description

10/04

Features
IP Telephony

With Outlook 2002, you can create a directory for the SoftIPT. Once a directory is created, the user
can click on a name in the directory to automatically dial their number (see Figure 20).

Click on a name,
Strata CTX dials
the number.

Name

Type

Number

Hugh Leon
Jessica Kai
Kenny Voldrich
Tony Garaldi
Tony Bell
Bob Rogers
Shayla Morgan

Work
Work
Work
Work
Work
Work
Work

3202
4011
3249
4201
4100
3237
3200

6823

Figure 20

Example of SoftIPT Directory

The SoftIPT can be connected to the CTX several different ways:
• Intranet – A wired or wireless PC can connect to the office LAN that connects to an IP
telephone that connects to a BIPU-M2A in the Strata CTX.
• Internet – A wired or wireless PC at a remote site can connect to a Cable or DSL modem, to an
Internet Service Provider (ISP), to a router, to the BIPU-M2A in the CTX (see Figure 21). (For
additional connection examples, refer to the Strata CTX I&M manual – IPT Chapter.)
• Wireless – The wireless PCs, such as the Toshiba Pocket PC or Toshiba Tablet PC need a Wi-Fi
system that uses the 802.11b standard. The SoftIPT wireless units can operate within 300 feet
of an access point (dealer-supplied or use existing).
PC with
Soft Phone

PC with
Soft Phone
(Wi-Fi)

Home

Strata CTX

LAN

PC with
Soft Phone

Access
Point
802.11b

Pocket PC with
Soft Phone
(Wi-Fi)

Router

LAN

BIPU

Access
Point
802.11b

6875

Router

Figure 21

PC with
Soft Phone
(Wi-Fi)

Internet
Service
Provider

Cable or
DSL Modem

Pocket PC with
Soft Phone
(Wi-Fi)

SoftIPT Internet Connection

Licensing
The CTX has to be optioned for SoftIPT Licensing in order for the SoftIPT to function with the
BIPU interface.

Strata CTX General Description

10/04

Features
Private Networking Over Internet Protocol

Private Networking Over Internet Protocol
System Availability: Strata CTX100, CTX670
Strata Net CTX multi-system networking can be implemented over an IP network using Strata
CTX systems with BIPU-Q1A IP interface circuit cards. The BIPU-Q1A requires CTX Release
2.1 software. This feature offers the same connection service as ISDN dedicated lines with QSIG
protocol on the public network. QSIG over IP, does not support modemized data signals, such as
modem signal and G3 fax because these signals require very low jitter and low delay on the
networks.
The BIPU-Q1A can be configured for up to 16 channels in system programming. The BIPU-Q1A
supports the same functions of call control as the dedicated ISDN QSIG interface and the two
interface types can be mixed in on a Strata Net network. However, the BIPU-Q1A only interfaces
with the BIPU-Q1A, not with the BPTU or RPTU interfaces and vice versa.
CTX private networking QSIG over IP can support up to 128 separate nodes.
For bandwidth requirements, refer to the section “Strata Net QSIG Over IP and IPT Bandwidth
Requirements” on page 112.
Refer to “CTX Analog CO Line Interface Compatibility” on page 80 if you are planning to mix
analog and IP QSIG circuit cards in the same Strata CTX system.
BIPU-Q1A interface parameters include:
• 100Base-TX: Automatic recognition and switch
• Transmission: TCP/IP, UDP/IP
• Protocol: IP QSIG (ECMA-336), NAT compatible
• Protocol: RTP/RTCP for voice transport
• Voice coding: G.711, G.729A, selectable
• Priority process: Diffserv/IEEE802.1p
An example of Strata Net QSIG over IP networking is shown below.
Strata CTX

Router
or Server with
or without VPN

BIPU-Q1A

LAN

Strata Net IP

VPN
Tunnelling

Strata CTX

*
Router
or Server with
or without VPN

BIPU-Q1A

LAN

Figure 22

IP Network
(Internet, Intranet, WAN)

Strata Net IP
Strata CTX

*
Strata Net IP

* T1, Fiber, etc.

Router
or Server with
or without VPN

BIPU-Q1A

LAN
6755

QSIG Over IP Example

Strata CTX General Description

10/04

Features
Integrated Services Digital Network (ISDN)

Integrated Services Digital Network (ISDN)
System Availability: Strata CTX100, CTX670
ISDN is a set of integrated telecommunications services, available over the public
telecommunications networks. ISDN makes it possible to send, receive and modify information
using telephone lines in ways that were not previously possible, such as:
• Dynamic use of individual or groups of standard (POTS), DID, Tie, FX, WATS, 800 lines on an
as-needed basis
• Much faster call setup and data transfer up to 128Kbps
• Multi-purpose line use, including sharing lines for voice, data, fax, and video
• DID functionality based on the number dialed; without needing to reserve a block of numbers
• 2-B channel transfer: Allow two external PRI line calls conected to a station conference to be
released from the CTX and reconnected by the PSTN when the station drops out of the
conference. Requires CTX R2.0 or above and special ordering from the ISDN provider.
ISDN service comes in two forms:
• Primary Rate Interface (PRI) supports simultaneous voice or data connections (eight, 16 or
23). PRI is similar to digital T1 service and uses two pairs of wires from your phone company.
The RPTU circuit card supports PRI on the Strata CTX.
• Basic Rate Interface (BRI) supports up to two simultaneous connections using a single pair of
wires. The Strata CTX BRI cards support both station side and trunk side connections. Strata
CTX systems also support BRI interface from the public network as a CO line service. There
are two types of ISDN BRI interfaces: S/T type (via RBSU/RBSS) and the
U-type (via RBUU/RBUS).

Least Cost Routing (LCR)
System Availability: All systems
Least Cost Routing chooses the most appropriate route over which to connect an outgoing call
based on the following:
• Dialed Digits
• Time of Day
• Type of Day (Business, Weekend, Holiday)
• LCR group of the caller
The combination of routing tables, indices, route definitions and time-of-day qualifiers can
produce up to 75 million combinations. Routing changes automatically for each type of day,
according to the time of day. This schedule is independent of the Day/Night mode schedule which
applies to ringing and CO assignments.

Line Buttons
Telephone buttons that are used for making and receiving outside calls are referred to as Line (or
CO Line) buttons. (For information on various [DN] buttons, refer to “Directory Numbers” on
page 68.) The Strata CTX supports the following types of line buttons:

Strata CTX General Description

10/04

Features
Live System Programming

CO Line Buttons
System Availability: All systems
Smaller systems have traditionally provided the direct appearance of the CO lines on the
telephones where maximum visibility of the line status, flexible ringing assignments, and informal
call transfers associated with key telephone systems may be implemented.

Pooled CO Line Button
System Availability: All systems
Pooled Line Group buttons enable a group of CO lines to “appear” under one button. Pooled and
single appearing line buttons are designed for use with loop and ground start lines, not Tie, DID,
DNIS or ANI lines.

Group CO Line Button
System Availability: Strata CTX100, CTX670
Group CO line buttons are like individual CO line buttons except these buttons represent all the
lines for a particular ISDN Channel Group. This enables ISDN channels to operate similar to
analog CO lines on a key telephone system. These buttons may have appearances on multiple
telephones providing call coverage across several telephones. Multiple appearances of the same
Group CO line button is possible on each phone to allow multiple call handling for that group from
each station.

Live System Programming
System Availability: All systems
Programming the Strata CTX from an on-site or off-site location does not interrupt the operation
of the system in most cases. It is interrupted for hardware upgrades.

Lost Call Treatment
System Availability: All systems
Lost Call Treatment provides the CTX a mechanism for terminating calls that cannot be
terminated with the usual calling patterns. One scenario would be a call that is recalled to a station,
the station user is no longer there to answer the recall and no forwarding pattern is programmed.
The call will ring at the recalled station until the Lost Call Timer has expired after which the
system will direct the call to the Lost Call Destination.

Message Waiting
System Availability: All systems
Any station and most voice mail devices can turn on a message waiting indicator for a designated
digital or standard telephone station.

LED Indication
Message waiting lights can be activated when a voice mail message has been left, or they can be
turned on by a calling station. The station user can retrieve messages by pressing the button next to
the message waiting light or by dialing an access code from a standard telephone.

Strata CTX General Description

10/04

Features
Microphone (External Unit)

The telephone main Msg light indicates a message is waiting for the telephone [PDN]. Up to four
[PhDNs] per telephone can also have individual MW LEDs assigned to flexible buttons.

Stutter Dial Tone
Stutter dial tone is also used to indicate a message is waiting or your telephone is in the DND
mode. When a station user goes off-hook, two different available stuttered dial tones indicate
whether a Message Waiting (MW) or DND condition exists. The MW-stutter dial tone indicates a
message is waiting for the station. DND-stutter dial tone indicates DND is set at the station. (DND
provides a fast busy tone burst as stutter dial tone.) If both conditions exist simultaneously, the
MW-stutter dial tone has priority. This is very valuable to station users that do not have a MW
Light Emitting Diode (LED) or DND button LED on their telephone. (See Table 38 on page 110
for details of each type of stutter dial tone.) With Release 1.3 and higher, users can disable (in
programming) stutter dial tone for message waiting and when in the DND mode. If stutter dial tone
is disabled, they will hear normal dial tone when you go off hook.

Microphone (External Unit)
System Availability: All systems
An external microphone (RFDM) can be connected to the DKT2020-FDSP digital telephone
enhancing “full-duplex” operation by virtue of the “superdirectional” characteristic of the
microphone. When this option is on, the internal microphone is disabled on all but Voice First
Handsfree Answerback calls and OCA calls. The external microphone is powered by the DKT and
does not need to be turned off when not in use.

Music-on-hold
System Availability: All systems
Music-on-hold can be derived from a customer-supplied radio, tape player, tuner, CD player or
other device to provide music or announcements to parties on hold on CO lines or on [DNs]. With
the Strata CTX, you can have up to 15 MOH/BGM sources. Each CO line group and each DID/
DNIS number may be assigned a specific MOH source. Stations and network Tie lines can also
share a unique MOH source.

Multiple Call/Delayed Ringing
System Availability: All systems
With Strata CTX Release 1.3 and higher, you can assign Delayed Ringing to voice mail and auto
attendants. This feature can also be used to ring multiple (25 max.) telephones immediately or with
a delay by dialing a group pilot number. Each group member can have Immediate, Delayed Ring 1
or Delayed Ring 2. Delayed Ring times are adjustable (1~180 seconds) for each Multiple Call
Group. Multiple calls to digital telephone is supported; however, delayed ring to digital telephones
is not supported as of this printing.

Strata CTX General Description

10/04

Features
Off-Hook Call Announce (OCA)

Off-Hook Call Announce (OCA)
System Availability: All systems
Station users may announce a call when the station they call is busy talking with the handset offhook. The announcement is only audible to the telephone user receiving the OCA call, not to the
other party in the original conversation.
Two different methods of operation are provided – handset or speaker OCA. With handset OCA,
the OCA caller’s announcement comes in on the telephone handset. With speaker OCA, the
announcement comes in on the speaker. Handset or speaker OCA can be set individually for each
telephone that must receive OCA calls. Speaker OCA requires a BVSU option circuit card
installed in the telephone that receives the OCA call. Handset OCA has no optional hardware
requirement.
When a busy telephone receives a handset OCA call, replying confidentially to the OCA caller can
be accomplished by pressing the Msg button (toggle) to place the original call on hold or holding
down the Mic button to make a short reply. In either case, the original caller will not hear the reply
to the OCA caller. To reply to a speaker OCA call, the user covers the handset mouth piece and
talks back through the telephone microphone.
Any type of telephone can be enabled to originate OCA when calling a busy digital telephone. The
feature is activated automatically (optional setting) or manually (Call Completion code – digit 5).
Stations receiving OCA must be proprietary digital telephones assigned with OCA-receiving
capability in system programming. Standard single-line telephones cannot receive OCA.
Any type of station can make an OCA call, as long as the station has this option enabled in system
programming. OCA to DND telephones is allowed only if DND Override is allowed on the called
and calling telephones.

Off-Premise Stations
System Availability: All systems
Off-premise stations are supported using either standard analog telephones or Toshiba digital
telephones. This can accommodate both individual telephones and branch office connections. Offsite standard analog telephones can be part of the system, having access to many of the features
offered by the Strata CTX. Each off-site station requires a special OPX line from the CO.
Off-site digital telephones can be part of the Strata CTX system using MCK Branch Office
EXTenders. This is ideal for organizations with geographically dispersed locations, extending the
power of the main location’s Strata CTX to small branch offices over your existing data network.
This enables groups of remote workers to use Toshiba digital telephones to have seamless access
to the main location’s telephone system and voice mail system.
Remote employees have transparent access to all the same capabilities as if they were locally
connected to the Strata CTX system. They have can the same ability transmitting voice traffic and
digital telephone signaling over the customer’s existing Local Area Network (LAN) Wide Area
Network (WAN) private IP packet network or the public Internet.

Strata CTX General Description

10/04

Features
Override

Override
System Availability: All systems

Call Forward Override
Stations with this feature will not forward when they call stations that have System or Station Call
Forward activated. This applies when using the telephone dial pad or [DSS] button to make a call.
It also applies to [DSS] buttons on DSS consoles or add-on modules associated with the Call
Forward Overriding telephone.

Class Of Service Override
By dialing a Class of Service Override (COS) code, a user can change a station’s class of service to
one associated with the override code. When the call is terminated and another is attempted from
the same station, the original Class of Service is applied. This allows selected users to override toll
restriction or other restrictions that are placed on any telephone in the system.

Do Not Disturb (DND) Override
A privileged caller may invoke the DND Override feature after dialing an internal station and
receiving a DND indication. If that privilege is granted to the calling station and the called station
permits its DND to be overridden, the call will ring on that phone.

Executive Override
Stations with this feature allowed by COS can enter any conversation in the system by dialing a 3
or pressing a Feature Prompting Soft Key after dialing a busy station. An optional warning tone
notifies the parties that another party is about to conference into their conversation. Executive
Override can be blocked selectively to any station in system. Executive Override must be allowed
in system programming for the called and calling station.
The Do Not Disturb feature can also be used to block Executive Override; however, stations that
are allowed DND Override can use Executive Override on stations in the DND mode. The
Privacy button does not block Executive Override.

Privacy Override
Privacy override controls the ability of multiple station users with a shared (common) Line or
[DN] button appearance to join in each other’s conversation by pressing the busy button
appearance. A station must be programmed with Privacy Override to permit the intrusion on a
shared Line or on [DN] buttons.
In the case where Privacy Override is normally allowed, a telephone can have a “Privacy” button
to block Privacy Override (intrusion) to the call. The Do Not Disturb feature does not block
Privacy Override. In the case where Privacy Override is not normally allowed, a telephone can
have a “Privacy Release” button to allow intrusion to the call by any station with the shared button
appearance. (See “Privacy” for more information.)

Strata CTX General Description

10/04

Features
Paging

Paging
System Availability: All systems
The Strata CTX has a paging interface that supports a Toshiba External Speaker (HESB) or a
customer-supplied amplifiers and speakers for Paging, Night Ringing over Page, and BGM
applications. Users can access any of the Paging options by dialing access codes or by using a
programmed One Touch button.

Telephone Group Paging
Paging is activated from an extension by specifying a Paging Group. Paging can be broadcast
through digital telephone speakers and external paging devices simultaneously. The system
supports up to 16 telephone page groups with up to72 (CTX100) or 120 (CTX670) telephones per
group. Standard telephones cannot be members of a page group.

External Speaker Page Zones
The Strata CTX supports eight different paging zones for external speakers. Users can access
zones by dialing an access code plus the zone or pressing a One Touch button. The zones are
composed of customer-supplied speaker(s) and amplifier(s). One BIOU supports up to four page
zone interfaces, a second BIOU is required for 5~8 zones.

Emergency Page
Designated stations can be permitted to place an Emergency Page to ensure they can reach all
concerned with an important announcement. An Emergency Page is one that will supersede any
current page to allow this privileged station to take over the paging apparatus. Like other forms of
paging, an Emergency Page can be an All Page or directed to a specific Page Group and External
Page Zones.
Each of the 16 Paging Groups supports up to 32 devices. Emergency Page groups follow the
regular Group Paging. The list for Emergency All Call Paging is a separately defined list from
regular paging. An emergency page may be answered in the same manner as a regular page.

Night Ringing Over Selected Page Zones
Lines can be programmed to night ring over eight selected Page zones via customer-supplied
paging equipment. Up to two BIOU circuit cards can be installed to connect external paging or
night ringing equipment. Each BIOU supports up to four page zones.

Power Failure Protection
System Availability: All systems
The Strata CTX has important optional capabilities that keep the system operating when
commercial AC power is interrupted.

Power Failure Transfer
The Strata CTX can immediately switch loop start analog CO lines directly to dedicated standard
telephones (customer-provided 2500- or 500-type) for incoming and outgoing calls in the case of a
commercial AC power failure. The transfer is automatic with no manual transfer procedure
required. During normal operation with AC power, the Power Failure telephones function with all

Strata CTX General Description

10/04

Features
Privacy

Strata CTX features available to a normal standard telephone. This feature requires an external unit
called the Power Failure Transfer Unit (DPFT).
Each DPFT provides interface for eight power failure telephones. A Standard Station Interface
(RSTU) circuit card is required to supply the DPFT with a -24VDC control power and ground
connections. The number of Power Failure telephones available depends on system configuration.
The system maximum is 264.

Reserve Power Battery Backup
Two or four 12-volt gel-cell, maintenance-free batteries can be connected to the CTX system
power supplies for system battery backup (80 amps./hours max.). The CTX670 system power
supply is standard-equipped with a battery charger and the batteries continuously trickle charge to
capacity while electrical power is present. The CTX100 power supplies must be equipped with the
optional ABCS battery charger to charge reserve power batteries.
If the AC power fails, the Strata system automatically switches over to battery power without any
interruption in operation. Calls in progress are not interrupted. Battery operation duration depends
upon the condition and ampere hour rating of the batteries and the system load. However, the
minimum battery operation time would be several hours. Connection of reserve power batteries
must be made when commercial AC power is available.

Privacy
System Availability: All systems
Privacy prevents intrusion on calls that appear on shared (common) [DN] or line buttons. If a
telephone has a call on a [DN] or line button that appears on other telephones, the other telephones
cannot intrude on the call by pressing the shared button unless the intruding telephone has the
Privacy Override feature or the telephone with the call activates the Privacy Release button.

Repeat Last Number Dialed
System Availability: All systems
This feature enables a digital station to automatically redial the last number dialed from their
station by selecting an outgoing line and pressing the Redial button or by dialing an access code.
Digital key telephones have a fixed Redial button for automatic redialing of the last number
dialed.

Ringing
System Availability: All systems

Ring Over Busy
When a digital telephone is busy on a call and then receives an internal or external call on an idle
[DN] or line button, the button will automatically flash and ring with Ring Over Busy tone. The
tone burst can either be sent two times (three seconds apart) or repeated continuously every three
seconds or not sent as a station option. To answer a Ring Over Busy call, the user can hold, transfer
or disconnect the existing call.
On Voice First calls to a busy telephone that has an idle [DN], the caller will get busy tone. The
caller can then dial the digit 1 to cause the idle [DN] to Ring Over Busy.

Strata CTX General Description

10/04

Features
Speed Dial

Ringing Cadence
With Release 1.3 and higher, you can choose between two different ringing cadences for standard
telephone circuits in programming. This option is necessary to accommodate some voice mail and/
or auto attendant devices. This is a system wide option that allows external calls to ring with the
traditional one sec. on./three sec. off cadence or optionally with a faster cadence of .4 sec. on./.2
sec. off. This option does not apply to digital telephones. If ringing cadence is used, Centrex ring
repeat must not be used.

Delayed Ringing
See “Delayed Ringing” on page 66.

Distinctive Ringing
See “Distinctive Ringing” on page 69.

Speed Dial
System Availability: All systems
This feature, sometimes known as automatic dialing or one-touch dialing, enables the customer to
assign dialing codes to telephone numbers that are frequently called. Strata CTX offers three forms
of Speed Dial: System Speed Dial (up to 800 max. per system), Station Speed Dial (100 max. per
station), and One Touch buttons. Station Speed Dial numbers and One Touch buttons are unique
for each station and cannot be used by other stations. System Speed Dial numbers can be used by
any station in the system.
To dial System and Station Speed Dial numbers, the user presses the Spdial button and then dials
the appropriate three-digit code for the telephone number to be dialed. To dial a telephone number
assigned to a One Touch button, the user simply presses the One Touch button. Users can program
Station Speed Dial and One Touch buttons from their telephones.
CTX WinAdmin is required to program System Speed Dial numbers and can also be used to
program Station Speed Dial numbers, but not One Touch button numbers. Each Station and
System Speed Dial number can be assigned a nine-character name using CTX WinAdmin.This
name appears in the DKT3014 large LCD screen System Speed Dial and Personal Speed Dial
directories.

One Touch Buttons
One touch buttons enable users to store speed dial and custom feature access sequences on a single
button. When this button is pressed, the stored number is dialed or the feature is accessed.
You can store frequently dialed numbers, such as three-digit System Speed Dial codes, onto a One
Touch button. This eliminates the need to enter the three-digit code to dial a System Speed Dial
number. Complete telephone numbers up to 32 digits can also be stored on a One Touch button.
These buttons make it easy to access features that usually require pressing multiple buttons and/or
dialing special access codes. For example, a user may have to dial an access code (#31) plus a
zone number (5) to page the warehouse. This sequence can be set on a One Touch button labeled
“Page Warehouse.” Another button can be set to page a particular group of telephones.
The One Touch button also has a “stop” function that can be entered between two numbers, such
as a telephone number and security code. When the One Touch button is pressed, it can speed dial
a telephone number, then pause (LED flashes). When the call is answered, it prompts for a security
code. The user can then press the flashing button and enter the security code. Any number of
“stops” can be set to enable dialing multiple numbers.

Strata CTX General Description

10/04

Features
Station Hunting

Multiple feature buttons such a Cnf\Trn, [DN], CO line, etc., can be set on One Touch buttons to
allow multiple button presses to be stored under one button. This enables tandem line connections
and other call setup sequences to be dialed easily by pressing one button.

Station Hunting
System Availability: All systems
A series of Directory Numbers (DNs) can be organized in groups in such a way that if a called
[DN] is busy the call will try to ring another [DN] in the group. If that [DN] is busy it will hunt to
a third [DN], etc. Telephones in the same department, voice mail ports and boss/secretary call
coverage situations are typical applications for hunt groups. Hunt group members can remove
themselves from the group by placing their station into the Do Not Disturb mode. The system
supports three types of station hunting:

Serial Hunting
In this type of hunt group, calls hunt [DNs] in a series from first to last in a specific order. When
any [DN] in the series is called, the system will ring the first idle [DN] in the series, starting with
the called [DN], hunting to the last [DN] in the series. As an option, this type of hunt group can
have a unique Pilot [DN] assigned to it. When callers dial the Pilot [DN] to reach a telephone in
the group, calls will hunt all [DNs] from first to last.

Circular Hunting
In this type of hunt group, calls hunt [DNs] in a series in a specific order; however, the series forms
a loop, which enables the last [DN] to hunt to the first [DN]. When any [DN] in the series is called,
the system will ring the first idle [DN] in the series, starting with the called [DN], hunting to all
[DNs] in the series. As an option, this type of hunt group can have a unique Pilot [DN] assigned to
it. When callers dial the Pilot [DN] to reach a telephone in the group, calls will hunt all [DNs] from
first to last.

Distributed Hunting
This type of hunt group always has a unique Pilot [DN] assigned to it. Callers dial the pilot [DN] to
reach a telephone in the group. Calls hunt in such a way so as to distribute the calls evenly to each
[DN] in the group. Hunting rotation always starts in sequence with the [DN] that follows the [DN]
that received the last call – even if all other [DNs] are idle.

Camp on to Hunt Groups
On incoming CO line calls to busy hunt groups, the caller automatically camps on to the called
[DN] or Pilot [DN] and the caller receives ring-back-tone.
On internal calls to busy hunt groups, the caller may get busy tone. The caller can then dial a digit
to initiate Camp On-Busy to the called, busy [DN] or the Pilot [DN], if used. As an option, for
each hunt group that uses a Pilot [DN], calls will automatically camp on to the called Pilot [DN].
With the Automatic Camp On option, the caller does not get busy tone, instead the caller receives
confirmation tone followed by ring-back-tone. When using hunt group Pilot [DNs], camped on
calls queue onto all [DNs] in the group and will connect to any [DN] in the group that becomes
available. When not using Pilot DNs, Camp On is only applied to the called [DN].
When more than one party is camped on (queued) to a hunt group, the party with the highest
Queuing Priority Level (QPL) will be connected first when the destination becomes available. If
the parties have the same QPL, the longest waiting call will be connected first.

Strata CTX General Description

10/04

Features
Station Message Detail Recording (SMDR)

Station Message Detail Recording (SMDR)
System Availability: All systems
For each incoming, outgoing or tandem call, the Strata CTX can generate a record that includes
details of the call, including the originating station or trunk, the start time of the call, its duration,
authorization codes, etc. If a station user dials “911,” the Strata CTX will also generate a record at
the beginning of the call as part of its internal notification that an emergency call is in progress.
SMDR requires an optional BSIS interface circuit card and a connected Call Accounting system.

Strata Net Multi-system Networking
System Availability: Strata CTX100, CTX670
Strata Net is a private networking application based on QSIG, an international standard for interconnecting PBXs. Strata Net delivers a rich set of calling features across multiple CTX systems
throughout the enterprise. Users benefit from transparent dialing and simple feature operation.
Advanced networking features include Centralized Voice Mail, Centralized Attendant, Network
SMDR and Station DSS button appearances across all nodes. Alternate Routing provides for toll
bypass configurations and automatic recovery from network disruptions.
Strata CTX systems are interconnected with DS1 (T1) circuits to provide ISDN-type interconnectivity. DS1 circuits may be leased from public carriers, derived from Frame Relay or IP
networks, or connected across twisted-pair cabling or fiber optics.
QSIG over IP also provides full Strata Net connectivity and capabilities over an IP network (VPN
WAN, Internet or intranet).
Up to 128 nodes can be accommodated within the Strata Net numbering plan. Up to four nodes
connected in tandem can give satisfactory performance with regard to latency. As with any
network design, transport, delay speech volume and other issues must be carefully considered.
You can set up network DN tables across nodes. Through system programming, you can attach a
node ID to non-redundant DNs, PhDNs and Pilot numbers. This enables someone in one node to
call an extension in another node without having to dial the node ID number. The caller dials the
extension and the system automatically routes the call to the node in which the called extension is
located and rings the called extension.

Coordinated Numbering Plan
System Availability: Strata CTX100, CTX670
Strata Net can be configured to allow users to call each other across network nodes with simple
network directory numbers. This eliminates the user’s need for access codes and network maps.
Calls that encounter a busy or unanswered destination can be forwarded to any node in the
network, including a centralized voice mail system or attendant.

QSIG Basic Call Control
System Availability: Strata CTX100, CTX670
The Strata CTX conforms to the QSIG standard for Basic Call Control. This is the basis for all
Strata Net connectivity and interoperability with PBXs from other manufacturers. Basic Call
Control provides for connection, dialing, identification of calling and called parties’ names and
numbers and message waiting indications among other features.
Important!

Toshiba does not guarantee interoperability with other manufacturer’s products:
only conformance to the standard.

Strata CTX General Description

10/04

Features
Strata Net Multi-system Networking

Alternate Routing
System Availability: Strata CTX100, CTX670
Each Strata CTX can be programmed for thousands of routing patterns for Strata Net alone. This
allows the creation of networks in which calls can be automatically re-routed around network
disruptions. Centralized facilities and features can continue to work and users will be unaware of
problems while they are being repaired.
Alternate Routing also permits Toll Bypass in which Strata Net can be used to deliver a public call
from a point in the network where toll charges are minimized. Such a scheme is known as “Hop
Off” for the ability of the private network to determine the point at which the call will hop off to
the public network.

Centralized Attendant
System Availability: Strata CTX100, CTX670
One attendant can serve an entire Strata Net (requires Strata CTX R1.3 and higher, as well as CTX
Attendant Console application R1.3 and higher). Station users only need to dial “0” to reach the
centralized attendant regardless of the node in which they reside. The attendant can reach any
station in the network using its Network Directory Number. Trunks attached to any network node
can be programmed to terminate to the centralized attendant and their source and calling party
information will be delivered to the attendant’s display. The BLF appearances of all stations from
all nodes can appear on the centralized Attendant Console.

Telephone DSS Buttons
System Availability: Strata CTX100, CTX670
Telephone DSS buttons can appear across the QSIG network. This enables a user’s DSS button to
function in all nodes in a CTX network. The DSS function works within or across a network.

Centralized Voice Mail
System Availability: Strata CTX100, CTX670
Requires Stratagy ES or iES Release 4 or higher. A voice mail system attached to any Strata Net
network node can serve users throughout the enterprise. Unanswered calls will be forwarded to the
voice mail, the source and calling conditions identified and the appropriate voice mailbox greeting
will be played. The voice mail system can control message waiting indications throughout the
network as messages are left and retrieved. A single network can even support multiple centralized
voice mail systems with each station being programmed for the appropriate system. Record to
voice mail and voice mail soft keys are available across all network nodes from a single Stratagy
R4 ES or iES voice mail system.

Network SMDR
System Availability: Strata CTX100, CTX670
An external Strata Net call will generate a call record at the terminating node for that call. Transit
nodes will not generate records. The records can be stored in customer-supplied external buffers at
each node. Polling call accounting software can gather and organize the data from multiple nodes.
Local buffering provides survivability in the event of network disruption.

Strata CTX General Description

10/04

Features
System Fault Finding and Diagnostics

System Fault Finding and Diagnostics
System Availability: All systems
The Strata CTX can detect problems in the system. These conditions can be detected, alerted,
logged, and traced. Strata CTX includes many useful diagnostic tools.

Alarm Indication of System Faults
Visual Alarms are presented to CTX WinAdmin.

SmartMedia Card
This is a small memory card that is commercially available in retail stores. It is the same as
SmartMedia cards used in digital cameras, MP3 players, etc.
The Strata CTX uses the SmartMedia card to store all error, trace logs and a backup copy of the
system operating software and the customer database. The SmartMedia card is inserted into a
socket on the CTX processor. The CTX processor creates directories and files onto the card for
maintenance functions. Using CTX WinAdmin enables moving, copying, or deleting these files
without having to remove the SmartMedia card from the CTX processor. With CTX WinAdmin,
this works locally or remotely. SmartMedia files can also be managed by removing the
SmartMedia card from the CTX processor and inserting it into a PC SmartMedia card read/write
adapter.

Fault Detection and Error Logs
The Strata CTX detects and logs abnormalities that it encounters during operation. All error and
trace logs are stored on the SmartMedia card on the system processor and are monitored by
CTX WinAdmin. Examples are trunk failure detection and auto busy-out, digital telephone port
failure detection and auto busy-out plus error log, Expansion Cabinet power supply failure alarm
and error log, etc.

Event and System Administration Logs
Events such as station buttons pushed or lines accessed are stored in an Event Log. All actions
made by the System Administration user are logged. Both logs may be called up at a later time.

Automatic Fault Recovery
The system can automatically correct certain conditions detected during operation. This enables
the system to continue operating normally without requiring correction.

System Trace
The system records telephone key strokes and other high level events and presents the data in a
format understandable and useful to the field technician for troubleshooting purposes. The system
also records more detailed data useful to a software support engineer.

Manual Test
The maintenance technician can perform certain test functions using CTX WinAdmin to determine
proper operation of the system.

Strata CTX General Description

10/04

Features
Transfer

Backup/Restore
The customer database can be backed up and restored using the SmartMedia card. The customer
database is a file that can be stored on the SmartMedia card, transferred to the PC hard drive,
e-mailed, etc.

Maintenance and Administration
The CTX WinAdmin terminal can be connected directly to the Strata CTX or via the customer’s
LAN as well as remotely over the Internet and via modem over the public network. The Strata
CTX processor comes standard with a network interface port and a built-in modem.

Software Upgrade
The Strata CTX operating software can be upgraded using the SmartMedia card or by
downloading it from a remote location. The operating software is a file that can be stored on the
SmartMedia card, transferred to the PC hard drive, e-mailed, etc.

Transfer
System Availability: All systems
Transfer is the ability to redirect a connected call to new destination. The Strata CTX provides
three means of transferring a call and three means of terminating transferred calls, depending on
the calling state of the destination. The transferring features and the terminating features may be
used in combination to serve most needs that arise.

Transfer with Camp On
This feature enables the transfer of a call to a busy destination. The transferred party automatically
camps on to the busy destination when the transferring party releases the call.

Transfer Immediate
Call Transfer Immediate simplifies the transfer of calls for users of digital display telephones. With
a conversation in progress, the display phone user presses the TRNS Soft Key and dials the transfer
destination. The calling party is placed on Consultation Hold, the call immediately transfers and
the transferring phone returns to idle. This feature does not apply to network calls.

Transfer Privacy
An outside call that has been transferred can only be answered at the station to which the call has
been transferred. Another station cannot pick up the transferred call using a common CO line
button unless it is another station using the Directed Call Pickup feature or a station that has a
[DN] appearance of the “transferred to” [DN]. A flashing red LED indicates the call is transferred.
Privacy for transferred calls can be disabled in programming.

Transfer (Screened)
The transferring party can talk privately with the receiving party before connecting the party to be
transferred. While that conversation is going on, the transferred party is on Consultation Hold
listening to Music-on-hold. When the receiving party agrees to accept the call, the transferring
party can use the switch hook or feature button to include the original party in the conversation. At
this point, the transferring party can hang up and the other two parties remain connected.

Strata CTX General Description

10/04

Features
Tenant Services

Transfer (Unscreened)
Unscreened Transfer allows the transferring party to exit the connection before the transfer
destination answers. After the destination answers the call, the system treats it as a regular call. If
the destination does not answer the call within the predetermined time of period, the transferring
party is recalled.

Transfer to Voice Mail
See “Direct Transfer to Voice Mailbox” on page 99.

Music or Ringing Option
This feature enables ringing or music to be heard by the caller when their call is transferred,
depending on system programming.

Tenant Services
System Availability: All systems
This feature enables one CTX to provide separate service to multiple companies or departments
(tenants). PDNs (including ISDN BRI PDNs), DIDs and incoming line groups (ILGs) can be
assigned to one through eight tenants. Each tenant can have different attendant or night bell
assignments for day-of-the week schedules using Day 1, Day 2, or Day 3 modes. This feature is
enabled through system programming.

User Programming Mode
System Availability: All systems
Digital telephone users can use the programming mode for customizing their Toshiba telephones
without the aid of an Administrator or Service Technician. The User Programming mode is
accessed with a Program button assigned to a flexible button or through an access code. User
Programming enables users to customize these features:
• Flexible Buttons – Toshiba telephones have 10, 14, or 20 flexible buttons to which the user can
assign any one of approximately 50 different features (DND, ACB, Release, etc.). Once
assigned to a button, the feature is accessed by pressing that button. Some buttons have
parameters that users can set. These include:
• Call Forward – Users can set the Call Forward (CF) destination and CF-No Answer Timer
for the CF buttons.
• One Touch – Users can set speed dial and custom feature access code sequences for
One Touch buttons.
• Background Music – Users can select the music source (up to 15 sources) that will play on
their telephone’s speaker when they activate the BGM button.
• Ring tones – Line and [DN] button ringing tones can be changed to one of four different
tones. These tones apply to direct or transferred incoming calls from outside lines, not
internal calls.
Note Directory number and external line buttons cannot be added or deleted, but their ring tones
can be individually changed.
In addition to the Programming Mode, an advanced programming function enables administrators
to individually turn On/Off the telephone’s beep tone, handset call waiting tone, and microphone
background noise cancellation option. This mode enables LCD contrast adjustment and testing the
DKT3014 large LCD screen.

Strata CTX General Description

10/04

Features
Voice or Tone Signaling

Voice or Tone Signaling
System Availability: All systems
Each [DN] button can be programmed for either Voice or Tone Signaling as the standard method
of internal incoming call signaling. Tone Signaling rings the telephone when a call comes in and
ensures better privacy. With Tone Signaling, the called telephone receives a one-second ring tone
every three seconds. The pitch and sound of internal tone signaling is always the same. Incoming
CO line ringing is uniquely different, with up to four optional ring tone sounds.
With Voice Signaling, station users will hear a tone burst followed by the caller's voice over their
telephone speaker when called by another station user locally or over the private network. Voice
Signaling allows handsfree talkback from the called telephone on internal and private network Tie
line calls.
After calling a directory number that has Voice Signaling, the caller can switch to Tone Signaling
by dialing 1. The signaling method can also be switched from Tone to Voice Signaling by dialing
2. Whether a call is initiated with Tone or Voice Signaling, it can always be switched back and
forth by dialing 1 or 2.
Note A call to a Voice Signaling [DN] will not Call Forward No Answer unless the signaling is

switched from Voice to Tone Signaling.

Voice Mail Integration
System Availability: All systems
The CTX670 supports Dual-tone Multi-frequency (DTMF) integration, Simplified Message Desk
Interface (SMDI) integration, and Toshiba Proprietary integration.

DTMF Integration
DTMF integration uses DTMF strings to pass and interpret information between the Strata CTX
and a voice mail system. DTMF integration can be used with any compatible voice mail system. It
does not require optional hardware interface.

Simplified Message Desk Interface (SMDI)
SMDI is an industry standard method of integrating a telephone system with voice mail or other
peripheral systems. This interconnection is made via an RS-232 data connection. SMDI requires
the BSIS interface in the Strata CTX. SMDI integration can be used with any compatible voice
mail system.

Toshiba Proprietary Integration
Toshiba proprietary integration provides the highest functionality between the Strata CTX and a
Stratagy voice processing system. Toshiba proprietary integration requires the BSIS interface for
control signaling between Stratagy and Strata CTX. Toshiba proprietary integration is required to
use Stratagy voice processing system’s support the features of Call Record to Voice Mail and Voice
Mail Soft Keys.
Call Record to Voice Mail
While on an active call, a station user can record the conversation and store it in a Stratagy ES
voice mailbox by pressing Record on the digital telephone. To end the recording, they can press
Record again. Station users can also stop and start recording by pressing PS/RES.

Strata CTX General Description

10/04

Features
Volume Control

Users can replay recorded messages by calling the voice mailbox that has the stored recording and
play it back as any other message. The “record to” mailbox can be any mailbox number and can be
accessed automatically when Record is pressed or dialed after Record is pressed.
Recording to Voice Mail (VM) is available on two-party and multi-party conference calls.
Voice Mail Soft Keys (Stratagy ES/iES32 Only)
Voice Mail Soft Keys provide LCD telephone
users with an active set of Soft Keys that prompt
the user with available commands to play Voice
Mail messages and to manage their mail boxes
(shown right).

Voice Mail Soft Keys
Mode
Page

Feature

FROM: 3700

Scroll

MSG LENGTH:01:37
NEXT

REPLAY

SAVE

The LCD shows the number of New and Saved
messages in the user’s mailbox.

DELETE

FORWARD

The number of New/Saved messages displays on
the LCD when the telephone is idle and has at least
one new message.

BACKUP

REPLY
PAUSE PLAY
Soft Keys

SPCL FUNCT
GO FORWARD
PREV MENU
5935

Soft Keys requires the Toshiba Proprietary VM
integration and connection to the Strata CTX LAN.

Direct Transfer to Voice Mailbox
The transferring party can transfer a call directly to a person’s voice mailbox without waiting for
the call to forward from the called party’s telephone. The voice mailbox does not need to be
associated with an active telephone in the Strata CTX. Direct transfer to voice mail (VM) can be
performed to a centralized VM system connected to a network node other than the user’s node.
The transferring party presses Direct Transfer to VM and dials the mailbox number, and the
call transfers immediately on receipt of the last digit. The transferred party hears the greeting
associated with the specified mailbox and can then leave a message.
Direct Transfer to Voice Mailbox simplifies getting a call for a busy or absent employee to his/her
mailbox. It eliminates the need for the caller to enter the desired mailbox number after being
connected to the voice mail system. This feature is available using standard DTMF or SMDI VM
integration and does not require Toshiba proprietary VM integration.

Volume Control
System Availability: All systems
Digital Telephone users can independently adjust their handset hearing volume, speaker hearing
volume including BGM, speaker incoming tone volume and beep tone volume.

Strata CTX General Description

10/04

Features
Volume Control

100

Strata CTX General Description

10/04

Appendix – Specifications

This appendix includes detailed information on the items listed below. The sections in this
appendix apply to both the Strata CTX100 and CTX670, unless otherwise stated.
• Environmental Characteristics
• CTX100 Power Considerations
• CTX670 Power Considerations
• Reserve Power
• Hardware Compatibility
• Public Network Requirements
• Station Loop Lengths
• Standard Telephone Ringer Specifications
• 3000-series Telephone Option Circuit Cards
• Station Dimensions
• System Tones
For further details, refer to the Strata CTX I&M Manual.

Environmental Characteristics
The environmental requirements for either system are shown in Table 24.
Table 24

Environmental Characteristics for the CTX100 and CTX670

Environmental Specifications
Operating temperature
Operating humidity
Storage temperature

32~104° F (0~40° C)
20~80% relative humidity without condensation
-4~140° F (-20~60° C)

BTU Rating
ACTU (1) or BCTU/BEXU (1 installed)
BDKU (5 installed)
RCOU/RCOS (1 installed)
Digital Telephones (40 installed)

Strata CTX General Description

10/04

CTX100: 105 BTUs (31 watt hours) per cabinet.
CTX670: 190 BTUs (56 watt hours) per cabinet.

101

Appendix – Specifications
CTX100 Power Considerations

CTX100 Power Considerations
The power supply in each CTX100 Base and Expansion Cabinet furnishes power to all of the
stations and some of the interface peripherals (see Table 25). The primary AC power for each
cabinet is 120VAC.
Table 25

CTX100 Electrical Characteristics

CTX100 Primary AC Power Voltage
Input AC
AC Frequency
Watts per cabinet (maximum)

120VAC
60 Hz, Single-phase (48Hz~62Hz)
100 watts (maximum)

CTX100 Primary Power Current Consumption (Rating in Amperes)
120VAC
1.8 amps
3.6 amps

1 cabinet
2 cabinets

Power Supply Unit (APSU112A)

DC voltage output specification

-24VDC (-26.3~-27.8VDC, 3.2 DC amps)
+5VDC (+4.5~5.5VDC, 2.0 DC amps)
-5VDC (-4.5~-5.5VDC, 0.2 DC amps)
+3.3VDC (+3.0~3.6VDC, 0.5 DC amps

CTX670 Power Considerations
The power supply in each CTX670 Base and Expansion Cabinet furnishes power to all of the
stations and some of the interface peripherals (see Table 26). The primary AC power can be
120VAC, 208VAC or 240VAC. Systems containing six or seven cabinets require 208VAC or
240VAC.
Table 26

CTX670 Electrical Characteristics

CTX670 Primary AC Power Voltage
Input AC
AC Frequency
Watts per cabinet (continuous)
Watts for five cabinet system

115±10VAC or 208±20VAC or 240±20VAC
50/60 Hz, Single-phase (48~62Hz)
180
900

CTX670 Primary Power Current Consumption (Rating in Amperes)
Number of Cabinets:
1
2
3
4
5
6
7

120VAC
3.2 amps
6.4 amps
9.6 amps
12.8 amps
16.0 amps
N/A
N/A

208VAC
2.2 amps
4.4 amps
6.6 amps
8.8 amps
11.0 amps
13.2 amps
15.4 amps

240VAC
2.0 amps
4.0 amps
6.0 amps
8.0 amps
10.0 amps
12.0 amps
14.0 amps

Power Supply Unit (BPSU672)
DC voltage output specification

102

-24VDC (-26.3~-27.8VDC, 6.0 DC amps)
+5VDC (+4.5~5.5VDC, 4.0 DC amps)
-5VDC (-4.5~-5.5VDC, 0.8 DC amps)

Strata CTX General Description

10/04

Appendix – Specifications
Reserve Power

Reserve Power
Two or four customer-supplied 12VDC reserve batteries (80 ampere-hours max.) can be connected
to either system to maintain normal operation during a power failure (see Tables 27~31). The
batteries are kept in a highly-charged state by the power supply’s battery charger and must be
connected when the system is operating normally. Fully charged batteries must be connected when
normal AC power is available, batteries cannot be connected after/during an actual power failure.
The battery changer is standard on the CTX670 power supply. An optional ABCS battery changer
must be used in the CTX100 power supply.
Table 27

Table 28

CTX28 Reserve Power Duration Estimates

Hardware

1 HPFB-6

2 HPFB-6

3CO/8DKT - No GVMU

1 hr. 40 min.

3 hr. 20 min.

3CO/8DKT - withGVMU

1 hr. 30 min

3 hr.

6CO/16DKT - No GVMU

1 hr. 5 min.

2 hr. 10 min.

6CO/16DKT - with GVMU

1 hr.

2 hr.

CTX100 Reserve Power Characteristics

Battery Charger Characteristics

Maximum Battery Charger Drain (-24VDC)

Charger: current limiting
Nominal float voltage: 2.275 volts/cell
Charge current: 280mA amps maximum
Battery discharge cut-off voltage: 20.5 ±0.5VDC

Base Cabinet

3.15 amps

Base + Expansion Cabinets

6.30 amps

CTX100 Typical Reserve Power Duration Estimates1

Table 29

Number of Cabinets

Estimated operation time: two-battery configuration

25 hr.

12.5 hr.

Estimated operation time: four-battery configuration

50 hr.

25 hr.

DC Current Drain (-24VDC)

3.15 amps.

6.30 amps.

1. Assumes 80 ampere-hours with 12VDC batteries.

Table 30

CTX670 Reserve Power Characteristics

Battery Charger Characteristics

Maximum Battery Charger Drain (-24VDC)

Charger: current limiting
Nominal float voltage: 2.275 volts/cell
Charge current: 0.7 amps maximum
Battery discharge cut-off voltage: 20.5 ±0.5VDC

1 cabinet
2 cabinets
3 cabinets
4 cabinets

Table 31

6.0 amps
12.0 amps
18.0 amps
24.0 amps

5 cabinets

30.0 amps

6 cabinets

36.0 amps

7 cabinets

42.0 amps

CTX670 Typical Reserve Power Duration Estimates1

Number of Cabinets

Estimated operation time
Two-battery configuration

12.0 hr.

6.0 hr.

4.0 hr.

3.0 hr.

2.5 hr.

2.0 hr.

1.8 hr.

Estimated operation time
Four-battery configuration

24.0 hr.

12.0 hr.

8.0 hr.

6.0 hr.

5.0 hr.

4.0 hr.

3.5 hr.

DC Current Drain
(-24VDC)

4.6 amps.

8.7 amps.

12.8 amps. 16.9 amps. 21.0 amps. 25.1 amps. 29.2 amps.

1. Assumes 80 ampere-hours with 12VDC batteries.

Strata CTX General Description

10/04

103

Appendix – Specifications
Reserve Power

Hardware Compatibility
Circuit Card compatibility for the Strata DK280, DK424, DK424i, CTX100 and CTX670 systems
is shown in Table 32. Except for Digital and Standard Telephones, CTX28 circuit cards and
Hardware components are not compatible with the items in Table 32 and vice versa.
Table 32

Hardware Compatibility

Strata CTX General Description CTX100 Docs01

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