YEALINK T21P IP Phone User Manual

YEALINK (XIAMEN ) NETWORK TECHNOLOGY CO., LTD. IP Phone Users Manual

User Manual

 i
 ii Copyright © 2013 YEALINK NETWORK TECHNOLOGY CO., LTD Copyright © 2013 Yealink Network Technology CO., LTD. All rights reserved. No parts of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, photocopying, recording, or otherwise, for any purpose, without the express written permission of Yealink Network Technology CO., LTD. Under the law, reproducing includes translating into another language or format. When this publication is made available on media, Yealink Network Technology CO., LTD. gives its consent to downloading and printing copies of the content provided in this file only for private use but not for redistribution. No parts of this publication may be subject to alteration, modification or commercial use. Yealink Network Technology CO., LTD. will not be liable for any damages arising from use of an illegally modified or altered publication. THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS GUIDE ARE SUBJECT TO CHANGE WITHOUT NOTICE. ALL STATEMENTS, INFORMATION, AND RECOMMENDATIONS IN THIS GUIDE ARE BELIEVED TO BE ACCURATE AND PRESENTED WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED. USERS MUST TAKE FULL RESPONSIBILITY FOR THEIR APPLICATION OF PRODUCTS. YEALINK NETWORK TECHNOLOGY CO., LTD. MAKES NO WARRANTY OF ANY KIND WITH REGARD TO THIS GUIDE, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. Yealink Network Technology CO., LTD. shall not be liable for errors contained herein nor for incidental or consequential damages in connection with the furnishing, performance, or use of this guide.    Hereby, Yealink Network Technology CO., LTD. declares that this phone is in conformity  with the essential requirements and other relevant provisions of the CE, FCC. This device is marked with the CE mark in compliance with EC Directives 2006/95/EC and 2004/108/EC. This device is compliant with Part 15 of the FCC Rules. Operation is subject to the following two conditions: 1.  This device may not cause harmful interference, and 2.  This device must accept any interference received, including interference that may cause undesired operation.
 iii Note: This device is tested and complies with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: 1.  Reorient or relocate the receiving antenna. 2.  Increase the separation between the equipment and receiver. 3.  Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. 4.  Consult the dealer or an experience radio/TV technician for help.  To avoid the potential effects on the environment and human health as a result of the presence of hazardous substances in electrical and electronic equipment, end users of electrical and electronic equipment should understand the meaning of the crossed-out wheeled bin symbol. Do not dispose of WEEE as unsorted municipal waste and have to collect such WEEE separately.  . Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
 iv Yealink SIP-T21P firmware contains third-party software under the GNU General Public License (GPL). Yealink uses software under the specific terms of the GPL. Please refer to the GPL for the exact terms and conditions of the license. The original GPL license, source code of components licensed under GPL and used in Yealink products can be downloaded online: http://www.yealink.com/GPLOpenSource.aspx?BaseInfoCateId=293&NewsCateId=293&CateId=293.
About This Guide v Thank you for choosing the SIP-T21P IP phone, exquisitely designed to provide business telephony features, such as Call Hold, Call Transfer, Busy Lamp Field, Multicast Paging and Conference over an IP network. This guide provides everything you need to quickly use your new phone. First, verify with your system administrator that the IP network is ready for phone configuration. Also be sure to read the Packaging Contents and Regulatory Notices sections in this guide before you set up and use the SIP-T21P IP phone. If this is your first time using the SIP-T21P IP phone, we recommend that you first refer to the   and  , available online: http://www.yealink.com/DocumentDownload.aspx?CateId=142&flag=142. Note This is the first edition based on firmware version 71. Topics provided in this guide include:  Chapter 1  Overview  Chapter 2  Getting Started  Chapter 3   Customizing Your Phone  Chapter 4  Basic Call Features  Chapter 5  Advanced Phone Features     Shared Line, Busy Lamp Field List, Network Directory and Network Call Log features are hidden for IP phones in neutral version, which are designed for BroadWorks environment. Please contact your system administrator for more information.
User Guide for the SIP-T21P IP Phone vi
Table of Contents vii About This Guide ...................................................................... v In This Guide ......................................................................................................................... v Table of Contents ..................................................................... v i i  O v e r v i e w  .................................................................................. 1 Hardware Component Instructions .................................................................................... 1 Icon Instructions .................................................................................................................... 3 LED Instructions ..................................................................................................................... 4 User Interfaces ..................................................................................................................... 5 Phone User Interface ........................................................................................................ 5 Web User Interface ........................................................................................................... 5 Documentations ................................................................................................................... 8 Getting Started ......................................................................... 9 Packaging Contents ............................................................................................................. 9 Phone Installation ............................................................................................................... 11 Phone Initialization ............................................................................................................. 13 Phone Status ....................................................................................................................... 13 Basic Network Settings ...................................................................................................... 14 Registration ......................................................................................................................... 16 Idle Screen .......................................................................................................................... 16 Customizing Your Phone ......................................................... 17 General Settings ................................................................................................................ 17 Contrast ............................................................................................................................ 17 Language ......................................................................................................................... 18 Time & Date ..................................................................................................................... 19 Administrator Password ................................................................................................. 20 Key as Send ..................................................................................................................... 21 Keypad Lock .................................................................................................................... 21 Audio Settings .................................................................................................................... 24 Volume ............................................................................................................................. 24 Ring Tones ........................................................................................................................ 25 Contact Management ....................................................................................................... 27 Directory........................................................................................................................... 27
User Guide for the SIP-T21P IP Phone viii Local Directory ................................................................................................................ 28 Blacklist ............................................................................................................................ 38 Remote Phone Book ........................................................................................................ 40 Call History Management ................................................................................................ 42 System Customizations ...................................................................................................... 44 Logo Customization ........................................................................................................ 44 Headset Use .................................................................................................................... 45 DSS Keys .......................................................................................................................... 46 Account Management ................................................................................................... 54 Dial Plan ........................................................................................................................... 55 Emergency Number ........................................................................................................ 61 Live Dialpad .................................................................................................................... 62 Hotline .............................................................................................................................. 63 Basic Call Features ................................................................. 65 Placing Calls ....................................................................................................................... 65 Answering Calls ................................................................................................................. 67 Ending Calls ........................................................................................................................ 68 Redialing Numbers ............................................................................................................ 69 Recent Call In Dialing ........................................................................................................ 69 Auto Answer ....................................................................................................................... 70 Auto Redial .......................................................................................................................... 71 Call Completion ................................................................................................................. 72 Call Return ........................................................................................................................... 73 Call Mute ............................................................................................................................. 73 Call Hold/Resume ............................................................................................................... 74 Do Not Disturb (DND) ........................................................................................................ 75 Call Forward ....................................................................................................................... 78 Call Transfer ........................................................................................................................ 84 Call Waiting ........................................................................................................................ 86 Conference ......................................................................................................................... 86 Local Conference ............................................................................................................ 87 Network Conference ...................................................................................................... 87 Call Park .............................................................................................................................. 89 Call Pickup .......................................................................................................................... 90 Anonymous Call ................................................................................................................. 95 Anonymous Call Rejection ................................................................................................ 96 Advanced Phone Features ..................................................... 97 Busy Lamp Field (BLF) ....................................................................................................... 97 Call Recording .................................................................................................................... 99 Hot Desking ...................................................................................................................... 101 Intercom ............................................................................................................................ 103
Table of Contents ix Outgoing Intercom Calls .............................................................................................. 103 Incoming Intercom Calls .............................................................................................. 103 Multicast Paging ............................................................................................................... 105 Sending RTP Stream ..................................................................................................... 105 Receiving RTP Stream ................................................................................................... 107 Music on Hold ................................................................................................................... 108 Automatic Call Distribution (ACD).................................................................................. 109 Messages .......................................................................................................................... 111 Short Message Service (SMS) .................................................................................... 111 Voice Mail ...................................................................................................................... 113 Message Waiting Indicator (MWI) ............................................................................. 114 Troubleshooting .....................................................................119 Regulatory Notices ................................................................129 Service Agreements ........................................................................................................ 129 Limitations of Liability ...................................................................................................... 129 Safety Instructions ............................................................................................................ 129 Appendix A - Time Zones ......................................................131 I n d e x  ......................................................................................133
User Guide for the SIP-T21P IP Phone x
Overview 1 This chapter provides the overview of the SIP-T21P IP phone. Topics include:  Hardware Component Instructions  Icon Instructions  LED Instructions   User Interfaces  Documentations If you require additional information or assistance with your new phone, contact your system administrator. The main hardware components of the SIP-T21P IP phone are the LCD screen and the keypad.
User Guide for the SIP-T21P IP Phone 2 Hardware component instructions of the SIP-T21P IP phone are:  Item  Description  LCD Screen Shows information about calls, messages, soft keys, time, date and other relevant data:   caller ID, call duration  (for example,     )  "Saving config file!")   Power Indicator LED Indicates phone power status and phone status.  Line Keys  Use these keys to activate up to two accounts and assign various features.  MESSAGE Key  Indicates and accesses voice mails.  HEADSET Key  Toggles the headset mode.  TRAN Key  Transfers a call to another party.  RD Key  Redials a previously dialed number.  Speakerphone Key  Toggles the hands-free speakerphone mode.  Volume Key  Adjusts the volume of the handset, headset, speaker, and ringer.  Keypad  Provides the digits, letters and special characters in context-sensitive applications.      Scroll through the displayed information.    Confirms actions or answers incoming calls.       Cancels actions, rejects incoming calls, mutes or un-mutes calls.  Soft Keys  Label automatically to identity their context-sensitive features.
Overview 3 Icons appearing on the LCD screen are described in the following table: Icon  Description  Network is unavailable  Registered successfully  Register failed  Registering  Hands-free speakerphone mode  Handset mode  Headset mode  Multi-lingual lowercase letters input mode  Multi-lingual uppercase letters input mode   Alphanumeric input mode  Numeric input mode  Multi-lingual uppercase and lowercase letters input mode  Voice Mail  Text Message  Auto Answer  Do Not Disturb  Call Forwarded/Forwarded Calls  Call Hold  Call Mute  Ringer volume is 0
User Guide for the SIP-T21P IP Phone 4 Icon  Description  Keypad Lock    Received Calls  Placed Calls  Missed Calls  Recording box is full  A call cannot be recorded  Recording starts successfully  Recording cannot be started  Recording cannot be stopped Line key LED LED Status  Description Solid green The line is in conversation. The line is seized. Fast flashing green  The line receives an incoming call. Slow flashing green  The call is placed on hold. Off  The line is inactive. Line key LED (configured as BLF key) LED Status  Description Solid green  The monitored user is busy. Fast flashing green  The monitored user receives an incoming call. Off  The monitored user is idle. The monitored user does not exist.
Overview 5 Two ways to customize configurations of your SIP-T21P IP phone:    The user interface on the IP phone.    The user interface in a web browser on your PC. The hardware components keypad and LCD screen constitute the phone user interface, which allows the user to execute all call operation tasks and basic configuration changes directly on the phone. In addition, you can use the web user interface to access all configuration settings. In many cases, either the phone user interface and/or the web user interface interchangeably. However, in some cases, it is only possible to use one or the other interface to operate the phone and change settings. You can customize your phone by pressing the Menu soft key to access the phone user interface. The Advanced Settings option is only accessible to the administrator, and the default administrator password is  admin  (case-sensitive). For more information on customizing your phone with the available options from the phone user interface, refer to Customizing Your Phone on page 17. In addition to the phone user interface, you can also customize your phone via web user interface. In order to access the web user interface, you need to know the IP address of your new phone. To obtain the IP address, press the OK key on the phone. Enter the IP address (e.g., http://192.168.0.10 or 192.168.0.10) in the address bar of web browser on your PC. The default administrator user name and password are both  admin  (case-sensitive). The options you can use to customize the IP phone via phone user interface and/or via web user interface are listed in the following table: Options  Phone User Interface  Web User Interface Status    --IP Address --IPv6 --MAC --Firmware --Network --Phone --Accounts Basic Phone Settings
User Guide for the SIP-T21P IP Phone 6 Options  Phone User Interface  Web User Interface --Contrast     --Language    --Time & Date    --Administrator Password    --Key as Send    --Keypad Lock    -- Volume     --Ring Tones    --Contact Management     --Directory     --Local Directory    --Blacklist    --Remote Phone Book    --Call History Management    --Logo Customization    --Headset Prior     --DSS Keys    --Account Registration     --Dial Plan    --Emergency Number    --Live Dialpad    --Hotline    Basic Call Features    --Recent Call In Dialing   --Auto Answer   --Auto Redial   --Call Completion   --Call Return   --DND   --Call Forward   --Call Transfer   --Call Waiting   --Conference   --Call Park   --Call Pickup   --Anonymous Call   --Anonymous Call Rejection   Advanced Phone Features    --BLF   --Call Recording   --Hot Desking
Overview 7 Options  Phone User Interface  Web User Interface --Intercom   --Multicast Paging   --Music on Hold   --ACD   --Messages   SIP Account    --User Options   --Register Status   --Activation   --Label   --Display Name   --Register Name   --User Name   --Password   --SIP Server1/2   --Server Option   --Server Port   --Outbound Status   --Outbound Proxy   --NAT Traversal   --STUN Status    --STUN Server   Note  The table above lists most of the feature options. Please refer to the relevant sections for more information.
User Guide for the SIP-T21P IP Phone 8 The following table shows documentations available for the SIP-T21P IP phone. Name  Contents  Where found  Format/Language Quick Installation Guide Basic setup of the phone In the package  PDF/English Quick Reference Guide Basic call features and phone customizations In the package  PDF/English User Guide Phone/Web user interface settings  Basic call features and advanced phone features CD attached in the package PDF/English Note    You can also download the latest documentations online: http://www.yealink.com/DocumentDownload.aspx?CateId=142&flag=142.
Getting Started 9 This chapter provides basic installation instructions and information for obtaining the best performance with the SIP-T21P IP phone. Topics include:  Packaging Contents  Phone Installation  Phone Initialization  Phone Status  Basic Network Settings  Registration  Idle Screen If you require additional information or assistance with your new phone, contact your system administrator. The following components are included in your SIP-T21P IP phone package:   SIP-T21P IP Phone    Phone Stand
User Guide for the SIP-T21P IP Phone 10   Power Adapter    Handset & Handset Cord               Ethernet Cable    Quick Installation Guide & Quick Reference Guide    CD-ROM  Check the list before installation. If you find anything missing, contact your system administrator.
Getting Started 11 If your phone is already installed, proceed to Phone Initialization on page 13. This section introduces how to install the phone: 1) Attach the stand 2) Connect the handset and optional headset 3) Connect the network and power 1)   Attach the stand  2)   Connect the handset and optional headset  Note 3)   Connect the network and power You have two options for power and network connections. Your system administrator will advise you which one to use.  AC power  Power over Ethernet (PoE)  A headset is not included in the packaging contents. Contact your system administrator for more information.
User Guide for the SIP-T21P IP Phone 12 AC Power To connect the AC power: 1. Connect the DC plug on the power adapter to the DC5V port on the phone and connect the other end of the power adapter into an electrical power outlet. 2. Connect the included or a standard Ethernet cable between the Internet port on the phone and the one on the wall or switch/hub device port.  Power over Ethernet With the included or a regular Ethernet cable, the SIP-T21P IP phone can be powered from a PoE-compliant switch or hub. To connect the PoE: 1. Connect the Ethernet cable between the Internet port on the phone and an available port on the in-line power switch/hub.  Note If in-adapter. Make sure the switch/hub is PoE-compliant. The phone can also share the network with another network device such as a PC (personal computer). It is an optional connection. Important! Do not unplug or remove power to the phone while it is updating firmware and configurations.
Getting Started 13 After your phone is powered on, the system boots up and performs the following steps: Automatic Phone Initialization The phone finishes the initialization by loading the saved configuration. The LCD screen p  DHCP (Dynamic Host Configuration Protocol) The phone attempts to contact a DHCP server in your network to obtain valid IPv4 and IPv6 network settings (e.g., IP address, subnet mask, default gateway address and DNS address) by default. Note You can view phone status via phone user interface or web user interface. Available information of phone status includes:  Network status (e.g., IPv4 status, IPv6 status, IP mode and MAC address).  Phone status (e.g., device model, hardware version, firmware version, product ID, MAC address and device certificate status: factory, installed and not installed).  Account status (e.g., the register status of SIP accounts). To view the phone status via phone user interface: 1. Press     , or press Menu->Status. 2. Press     or     to scroll through the list and view the specific information.  To view the phone status via web user interface: 1. Open the web browser of your computer. 2. Enter the IP addres , and then press Enter.    If your network does not use DHCP, proceed to Basic Network Settings on page 14.
User Guide for the SIP-T21P IP Phone 14 3. Enter the user name (admin) and password (admin) in the login page.  4. Click Confirm to login. The phone status is displayed on the first page of the web user interface. If your phone cannot contact a DHCP server for any reason, you need to configure network settings manually. The IP phone can support either or both IPv4 and IPv6 addresses. To configure the IP address mode via phone user interface: 1. Press Menu->Settings->Advanced Settings (password: admin) ->Network->WAN
Getting Started 15 Port. 2. Press     or     to select IPv4, IPv6 or IPv4 & IPv6 from the IP Mode field.  3. Press the Save soft key to accept the change or the Back soft key to cancel. To configure a static IPv4 address via phone user interface: 1. Press Menu->Settings->Advanced Settings (password: admin) ->Network->WAN Port->IPv4->Static IP Client. 2. Enter the desired values in the IP Address, Subnet Mask, Default Gateway, Pri.DNS and Sec.DNS fields respectively.  3. Press the Save soft key to accept the change or the Back soft key to cancel. To configure a static IPv6 address via phone user interface: 1. Press Menu->Settings->Advanced Settings (password: admin) ->Network->WAN Port->IPv6->Static IPv6 Client. 2. Enter the desired values in the IPv6 , IPv6 Prefix, IPv6 Gateway, IPv6 Pri.DNS and IPv6 Sec.DNS fields respectively.  3. Press the Save soft key to accept the change or the Back soft key to cancel. If you are using an xDSL modem for IPv4 network connection, you can connect your phone to the Internet via PPPoE mode. Set the WAN port as a PPPoE port. The PPPoE port will perform a PPP negotiation to obtain the IP address. Contact your system administrator for the PPPoE user name and password.
User Guide for the SIP-T21P IP Phone 16 To configure PPPoE via phone user interface: 1. Press Menu->Settings->Advanced Settings (password: admin) ->Network->WAN Port->IPv4->PPPoE IP Client.  2. Enter the user name and password in the corresponding fields. 3. Press the Save soft key to accept the change or the Back soft key to cancel. Note Generally, your phone will be deployed with multiple other phones. In this case, your system administrator will configure the phone parameters beforehand, so that after you start up your phone, the phone will be registered and ready for use. If your phone is not registered, you may have to register it. For more information on how to register your phone, refer to Account Management on page 54. If the phone has successfully started up, the idle screen will be shown as below:  The idle screen shows the label of current account, time and date, and four soft keys.   Using the wrong network parameters may result in inaccessibility of your phone and may also have an impact on your network performance. For more information on these parameters, contact your system administrator.
Customizing Your Phone 17 You can customize your SIP-T21P IP phone by personally configuring certain settings, for example, contrast, language and time & date. local directory manually or from call history. You can also personalize different ring tones for different callers. This chapter provides basic operating instructions for customizing your phone. Topics include:  General Settings  Audio Settings  Contact Management  Call History Management  System Customizations If you require additional information or assistance with your new phone, contact your system administrator. You can configure the contrast of the LCD screen to a comfortable level. To configure the contrast via phone user interface: 1. Press Menu->Settings->Basic Setting->Contrast. 2. Press     or     , or the Switch soft key to increase or decrease the intensity of contrast. The default contrast level is 6.  3. Press the Save soft key to accept the change or the Back soft key to cancel. Contrast is configurable via web user interface at the path Settings->Preference.
User Guide for the SIP-T21P IP Phone 18 The default language of the phone user interface is English. The phone will detect and use the same language as which of your web browser for the web user interface. If the language of your web browser is not supported by the phone, the web user interface will use English. You can change the language for the phone user interface and the web user interface respectively. Note To change the language for the phone user interface: 1. Press Menu->Settings->Basic Setting->Language. 2. Press     or     to select the desired language.  3. Press the Save soft key to accept the change. Text displayed on the LCD screen will change to the selected language. To change the language for the web user interface: 1. Click on Settings->Preference. 2. Select the desired language from the pull-down list of Language. Not all of the supported languages are available for selection. The available languages depend on the language packs currently loaded to the IP phone. Please contact your system administrator for more information on the available languages of your new phone.
Customizing Your Phone 19 3. Click Confirm to accept the change. Text displayed on the web user interface will change to the selected language. The time and date are displayed on the LCD screen when the phone is idle. If the phone cannot obtain the time and date from the Simple Network Time Protocol (SNTP) server, you need to configure the time and date manually. For more information on the SNTP server, contact your system administrator. To configure the SNTP settings via phone user interface:  1. Press Menu->Settings->Basic Setting->Time & Date->SNTP Settings.  2. Press     or     , or the Switch soft key to select the time zone that applies to your area from the Time Zone field.  The default time zone is "+8 China(Beijing)". 3. Enter the domain names or IP addresses in the NTP Server 1 and NTP Server 2 fields respectively. 4. Press     or     , or the Switch soft key to select the desired value from the DST field. 5. Press the Save soft key to accept the change or the Back soft key to cancel. Note To configure the time and date manually via phone user interface: 1. Press Menu->Settings->Basic Setting->Time & Date->Manual Settings. 2. Enter the specific date in the Date field. 3. Enter the specific time in the Time field.  Please refer to Appendix A - Time Zones for the list of available time zones on the IP phone.
User Guide for the SIP-T21P IP Phone 20 4. Press the Save soft key to accept the change. The date and time displayed on the LCD screen will change accordingly. To configure the time and date format via phone user interface: 1. Press Menu->Settings->Basic Setting->Time & Date->Time & Date Format.  2. Press     or     , or the Switch soft key to select the desired time format from the Clock field. 3. Press     or     , or the Switch soft key to select the desired date format from the Date Format field. 4. Press the Save soft key to accept the change or the Back soft key to cancel. There are 7 available date formats. For example, for  WWW DD MMM , WWW represents the abbreviation of the week DD s the two-digit day, MMM s the first three letters of the month. The date formats you need to know: Date Format  Example(2013-1-16) WWW MMM DD  Wed Jan 16 DD-MMM-YY  16-Jan-13 YYYY-MM-DD  2013-01-16 DD/MM/YYYY  16/01/2013 MM/DD/YY  01/16/13 DD MMM YYYY  16 Jan 2013 WWW DD MMM  Wed 16 Jan Time and date is configurable via web user interface at the path Settings->Time & Date. The Advanced Settings option is only accessible to the administrator. The default administrator password is  admin . For security reasons, you should change the default administrator password as soon as possible.
Customizing Your Phone 21 To change the administrator password via phone user interface: 1. Press Menu->Settings->Advanced Settings (password: admin) ->Set Password.  2. Enter the current password in the Current PWD field. 3. Enter the new password in the New PWD field. 4. Enter the new password again in the Confirm PWD field. 5. Press the Save soft key to accept the change or the Back soft key to cancel. Administrator password is configurable via web user interface at the path Security->Password. You can set the  perform as a send key while dialing. To configure key as send via phone user interface: 1. Press Menu->Features->Key as Send. 2. Press     or     , or the Switch soft key to select # or * from the Key as Send field, or select Disable to disable this feature.  3. Press the Save soft key to accept the change or the Back soft key to cancel. Key as send is configurable via web user interface at the path Features->General Information. You can lock the keypad of your phone temporarily when you are not using it. This feature helps you to protect your phone from unauthorized use. Keypad lock consists of the following: Menu Key:      The Menu soft key is locked. You cannot access the menu of the
User Guide for the SIP-T21P IP Phone 22 phone until unlocked. Function Keys:   The function keys are locked. You cannot use the MESSAGE, RD, TRAN, OK, X, navigation keys, soft keys and line keys until unlocked. All Keys:        All keys are locked except the Volume key. You are only allowed to dial emergency numbers, reject incoming calls by pressing the X key, answer incoming calls by lifting the handset, pressing the Speakerphone key, the HEADSET key or the OK key, mute an active call by pressing the X key, place an active call on hold by pressing the Hold soft key, resume the held call by pressing the Resume soft key, and end the call by hanging up the handset or pressing the Speakerphone key. Note To activate the keypad lock via phone user interface: 1. Press Menu->Settings->Advanced Settings (password: admin) ->Keypad Lock. 2. Press     or     , or the Switch soft key to select the desired type from the Keypad Lock field.  3. Press the Save soft key to accept the change. 4. Long press       to lock the keypad immediately when the phone is idle. The LCD screen prompts  Keypad locked.  and displays the icon   .  You can configure the interval (in seconds) to automatically lock the keypad instead of long pressing      . To configure the interval of automatic keypad lock via web user interface: 1. Click on Features->Phone Lock. The emergency number setting, if desired, must be made before lock activation. For more information, refer to Emergency Number on page 61.
Customizing Your Phone 23 2. Enter the desired interval in the Phone Lock Time Out (0~3600s) field. 3. Click Confirm to accept the change. Note To unlock the keypad, you must know the keypad unlock PIN of the phone. The default keypad unlock PIN is  123 . To change the keypad unlock PIN via phone user interface: 1. Press Menu->Settings->Basic Setting->Phone Unlock PIN.  2. Enter the current PIN in the Current PIN field. 3. Enter the new PIN in the New PIN field. 4. Enter the new PIN again in the Confirm PIN field. 5. Press the Save soft key to accept the change or the Back soft key to cancel. Note      The default interval is 0 second, that is, you can long press       to lock the keypad only. The interval of automatic keypad lock is configurable via web user interface only. The unlock PIN length must be within 15 characters.
User Guide for the SIP-T21P IP Phone 24 To unlock the keypad via phone user interface: 1. Press any locked key, the LCD screen prompts  Please Enter PIN .  2. Enter the PIN in the PIN field. 3. Press the Confirm soft key to unlock the keypad. The    icon disappears from the LCD screen. You can long press      or wait for a period of time (if configured) to lock the keypad again. Note To deactivate the keypad lock via phone user interface: 1. Press Menu->Settings->Advanced Settings (password: admin) ->Keypad Lock. 2. Press     or     , or the Switch soft key to select Disable from Keypad Lock field.  3. Press the Save soft key to accept the change. Keypad lock is configurable via web user interface at the path Features->Phone Lock. You can press the Volume key to adjust the ringer volume when the phone is idle. You can also press the Volume key to adjust the receiver volume of currently engaged audio devices (handset, speakerphone or headset) when the phone is in use.  You can also unlock the keypad by administrator password. When you enter the administrator password to unlock the keypad, the phone will turn to the Reset Phone PIN screen.
Customizing Your Phone 25 To adjust the volume when the phone is idle: 1. Press              to adjust the ringer volume.  Note To adjust the volume when the phone is during a call: 1. Press              to adjust the volume of currently engaged audio device (handset, speakerphone or headset).  Ring tones are used to indicate incoming calls. You can select different ring tones to distinguish different accounts registered on your phone, or to distinguish your phone . To select a ring tone for the phone via phone user interface: 1. Press Menu->Settings->Basic Setting->Ring Tone. 2. Press     or     to select the desired ring tone.  3. Press the Save soft key to accept the change or the Back soft key to cancel.    If the ringer volume is adjusted to minimum, the    icon will appear on the LCD screen.
User Guide for the SIP-T21P IP Phone 26 To select a ring tone for the account via web user interface: 1. Click on Account. 2. Select the desired account from the pull-down list of Account. 3. Click on Basic. 4. Select the desired ring tone from the pull-down list of Ring Type.  If Common is selected, this account will use the ring tone selected for the phone. Refer to the above instruction.  5. Click Confirm to accept the change. Note To upload a custom ring tone for your phone via web user interface: 1. Click on Settings->Preference. 2. Click Browse to locate a ring tone (file format must be *.wav) file from your local system.  A ring tone for the account is configurable via web user interface only.
Customizing Your Phone 27 3. Click Upload to upload the file. Note This section provides the operating instructions for managing contacts. Topics include:  Directory  Local Directory  Blacklist  Remote Phone Book Directory provides easy access to frequently used lists. The lists may contain Local Directory, History, Remote Phone Book and LDAP. To configure the directory via web user interface: 1. Click on Directory->Setting. 2. In the Directory block, select the desired list from the Disabled column and then click     . The selected list appears in the Enabled column. 3. Repeat step 2 to add more lists to the Enabled column. 4. To remove a list from the Enabled column, select the desired list and then click     .    The ring tone for an incoming call on the phone may be different. For example, when the phone receives an incoming call from a contact stored in the local directory, it will play the ring tone assigned to the contact in the contact directory (refer to Adding Contacts). If no ring tone is assigned to the contact, the phone will play the ring tone assigned to the associated group (refer to Adding Groups). Otherwise, the phone will play the ring tone assigned to the account. If no ring tone is assigned to the account, the phone will play the ring tone assigned for the phone. All custom ring tone files must be within 100KB. Uploading custom ring tones for your phone is configurable via web user interface only.
User Guide for the SIP-T21P IP Phone 28 5. To adjust the display order of enabled lists, select the desired list and then click     or     . The LCD screen displays the list(s) in the adjusted order. 6. Click Confirm to accept the change. Note To check the directory via phone user interface: 1. Press the Dir soft key when the phone is idle.  The LCD screen displays the list(s) in the directory.  If there is only one list in the directory, press the Dir soft key to enter this list directly. The built-in phone directory can store contact names and numbers. You can store up to 1000 contacts and 6 groups (including the default All Contacts, Company, Family and Friend) in your phone's local directory; add new contacts and groups; edit, delete or search for a contact; or simply dial a contact number from the local directory. Directory is configurable via web user interface only.
Customizing Your Phone 29 To add a group to the local directory: 1. Press the Dir soft key. The IP phone enters the local directory directly as there is only Local Directory in the directory by default.  If Local Directory is removed from the directory, press Menu->Dir->Local Directory to enter the local directory. 2. Press the AddGrp soft key. 3. Enter the desired group name in the Name field. 4. Press     or     to select the desired group ring tone from the Ring Tones field. If Auto is selected, this group will use the ring tone assigned to the account. For more information on ringtone for an account, refer to Ring Tones on page 25. 5. Press the Add soft key to accept the change or the Back soft key to cancel. To edit a group in the local directory: 1. Press the Dir soft key. The IP phone enters the local directory directly as there is only Local Directory in the directory by default.  If Local Directory is removed from the directory, press Menu->Dir->Local Directory to enter the local directory. 2. Select the desired group.
User Guide for the SIP-T21P IP Phone 30 3. Press the Option soft key, and then select Detail from the prompt list.  4. Press     or     to scroll through the group information and then edit. 5. Press the Save soft key to accept change or the Back soft key to cancel. To delete a group from the local directory: 1. Press the Dir soft key. The IP phone enters the local directory directly as there is only Local Directory in the directory by default.  If Local Directory is removed from the directory, press Menu->Dir->Local Directory to enter the local directory. 2. Select the desired group. 3. Press the Option soft key, and then select Delete from the prompt list. The LCD screen prompts  Delete Selected Group? .  4. Press the Ok soft key to confirm the deletion or the Cancel soft key to cancel. You can also delete all groups by pressing the Option soft key and then select Del All. For more information, refer to the above steps.
Customizing Your Phone 31 You can add contacts to the local directory in the following ways:  Manually  From call history  From remote phone book Adding Contacts Manually To add a contact to the local directory manually: 1. Press the Dir soft key. The IP phone enters the local directory directly as there is only Local Directory in the directory by default.  If Local Directory is removed from the directory, press Menu->Dir->Local Directory to enter the local directory. 2. Select the desired group and then press the Enter soft key. 3. Press the Add soft key. 4. Enter the name and the office, mobile or other numbers in the corresponding fields.  5. Press     or     , or the Switch soft key to select the desired account from the Account field.  If Auto is selected, the phone will use the first available account when placing calls to the contact from the local directory. 6. Press     or     , or the Switch soft key to select the desired ring tone from the Ring Tones field. If Auto is selected, this contact will use the ring tone assigned to the group.
User Guide for the SIP-T21P IP Phone 32 7. Press the Add soft key to accept the change or the Back soft key to cancel. Note Adding Contacts from Call History To add a contact to the local directory from the call history: 1. Press the History soft key. 2. Press     or     to select the desired entry. 3. Press the Option soft key, and then select Add to Contacts from the prompt list.  4. Enter the contact name.  5. Press the Save soft key to accept the change. The entry is successfully saved to the local directory. Adding Contacts from Remote Phone Book  To add a contact to the local directory from remote phone book: 1. Press Menu->Dir->Remote Phone Book. If Remote Phone Book is added to the directory, press Dir->Remote Phone Book to enter remote phone book. 2. Press     or     to select the desired contact. 3. Press the Option soft key, and then select Add to Contacts from the prompt list. 4. Press the Save soft key to save the contact in the local directory. If the contact has already existed in the local directory, the LCD screen will prompt Overwrite the original contact?  Press the Ok soft key to overwrite the original contact in local directory or the Cancel soft key to cancel. For more information on remote phone book operating, refer to Remote Phone Book on page 40.    If the contact has existed in the directory, the LCD screen will prompt Contact Name existed! .
Customizing Your Phone 33 To edit a contact in the local directory: 1. Press the Dir soft key. The IP phone enters the local directory directly as there is only Local Directory in the directory by default.  If Local Directory is removed from the directory, press Menu->Dir->Local Directory to enter the local directory. 2. Select the desired group and then press the Enter soft key. 3. Press     or     to select the desired contact. 4. Press the Option soft key, and then select Detail from the prompt list. 5. Press     or     to scroll through the contact information and then edit.  6. Press the Save soft key to accept change or the Back soft key to cancel. To delete a contact from the local directory: 1. Press the Dir soft key. The IP phone enters the local directory directly as there is only Local Directory in the directory by default.  If Local Directory is removed from the directory, press Menu->Dir->Local Directory to enter the local directory.
User Guide for the SIP-T21P IP Phone 34 2. Select the desired group and then press the Enter soft key. 3. Press     or     to select the desired contact. 4. Press the Option soft key, and then select Delete from the prompt list. The LCD screen prompts  Delete Selected Item? .  5. Press the Ok soft key to confirm the deletion or the Cancel soft key to cancel. To place a call to a contact from the local directory: 1. Press the Dir soft key. The IP phone enters the local directory directly as there is only Local Directory in the directory by default.  If Local Directory is removed from the directory, press Menu->Dir->Local Directory to enter the local directory. 2. Select the desired group and then press the Enter soft key. 3. Press     or     to select the desired contact. 4. Do one of the following: - If only one number of the contact is stored in the local directory, press the DIAL soft key to dial out the number. - If multiple numbers of the contact are stored in the local directory, press the DIAL soft key to display a list of numbers. Press     or     to select the desired number. Press the DIAL soft key to dial out the number.
Customizing Your Phone 35 To search for a contact in the local directory: 1. Press the Dir soft key. The IP phone enters the local directory directly as there is only Local Directory in the directory by default.  If Local Directory is removed from the directory, press Menu->Dir->Local Directory to enter the local directory. 2. Press     or     to scroll to the All Contacts field. 3. Press the Search soft key. 4. Enter a few continuous characters of the contact name or number using the keypad.  The contacts whose name or number matches the characters entered will appear on the LCD screen. You can dial from the result list. You can search for a contact in your desired lists when the phone is in the dialing screen. The lists may contain Local Directory, History, Remote Phone Book and LDAP. To configure search source list in dialing via web user interface: 1. Click on Directory->Setting. 2. In the Search Source List In Dialing block, select the desired list from the Disabled column and then click     . The selected list appears in the Enabled column. 3. Repeat step 2 to add more lists to the Enabled column. 4. To remove a list from the Enabled column, select the desired list and then click     . 5. To adjust the display order of search results, select the desired list and then click     or     .
User Guide for the SIP-T21P IP Phone 36 The LCD screen displays the search results in the adjusted order.  6. Click Confirm to accept the change. Note To search for a contact in the enabled search source lists: 1. Pick up the handset, press the speakerphone or press the line key. 2. Enter a few continuous characters of the contact name or number using the keypad. The contacts in the enabled search source lists whose name or number matches the characters entered will appear on the LCD screen. You can press     or     to select the desired contact and then place a call to the contact.     Search source list in dialing is configurable via web user interface only.
Customizing Your Phone 37 via phone user interface or web user interface. But you can only import or export the contact list via web user interface. To import an XML file of contact list via web user interface: 1. Click on Directory->Local Directory. 2. Click Browse to locate a contact list file (file format must be *.xml) from your local system. 3. Click Import XML to import the contact list. The web user interface prompts  The original contact will be covered, Continue? . 4. Click OK to complete importing the contact list. To import a CSV file of contact list via web user interface: 1. Click on Directory->Local Directory. 2. Click Browse to locate a contact list file (file format must be *.csv) from your local system. 3. (Optional.) Check the Show Title checkbox. It will prevent importing the title of the contact information which is located in the first line of the CSV file. 4. Click Import CSV to import the contact list. 5. (Optional.) Mark the On radio box in the Delete Old Contacts field. It will delete all existing contacts while importing the contact list.
User Guide for the SIP-T21P IP Phone 38 6. (Optional.) Select the contact information you want to import into the local directory from the pull down list of Index. 7. Click Import to complete importing the contact list. To export contact list via web user interface: 1. Click on Directory->Local Directory. 2. Click Export XML (or Export CSV). 3. Click Save to save the contact list to your local system. Note The built-in phone directory can store names and numbers for a blacklist. You can store ; add, edit, delete or search for a contact in the blacklist; even dial a contact number from the blacklist, but any incoming call from the blacklist will be rejected automatically. To add a contact to the blacklist manually: 1. Press Menu->Dir->Blacklist. 2. Press the Add soft key.    Importing/exporting contact lists are configurable via web user interface only.
Customizing Your Phone 39 3. Enter the name and the office, mobile or other numbers in the corresponding fields.  4. Press     or     , or the Switch soft key to select the desired account from the Account field. If Auto is selected, the phone will use the first available account when placing calls to the contact from the blacklist. 5. Press the Add soft key to accept the change or the Back soft key to cancel. To add a contact to the blacklist from local directory: 1. Press the Dir soft key. The IP phone enters the local directory directly as there is only Local Directory in the directory by default.  If Local Directory is removed from the directory, press Menu->Dir->Local Directory to enter the local directory. 2. Press     or     to select the desired contact. 3. Press the Option soft key and then select Add To Blacklist from the prompt list. The LCD screen prompts "Move selected to Blacklist?".  4. Press the Ok soft key to confirm the setting. For more operating instructions on editing, deleting, placing calls to and/or searching for contacts in the blacklist, refer to the operating instructions of Local Directory on page 28.
User Guide for the SIP-T21P IP Phone 40 You can access your corporate directory through your phone. You can add local contacts, search for a contact, or simply dial a contact number from the corporate directory. You can configure your new phone to access up to 5 corporate directories. The phone supports up to 2000 corporate directory entries. For the access URL of the corporate directory, contact your system administrator. To configure an access URL for remote phone book via web user interface: 1. Click on Directory->Remote Phone Book. 2. Enter the access URL in the Remote URL field. 3. Enter the name in the Display Name field. 4. Click Confirm to accept the change. Note To access your corporate directory via phone user interface: 1. Press Menu->Dir->Remote Phone Book. If Remote Phone Book is added to the directory, press Dir->Remote Phone Book to enter remote phone book.  2. Press     or     to select the desired remote group, and then press the Enter soft key. An access URL for remote phone book is configurable via web user interface only.
Customizing Your Phone 41 The phone connects to load the corporate directory, and then the corporate contact list appears on the LCD screen. 3. Press the Back soft key to back to the previous interface. To search for a contact in the corporate directory: 1. Press Menu->Dir->Remote Phone Book. If Remote Phone Book is added to the directory, press Dir->Remote Phone Book to enter remote phone book. 2. Select the desired remote group, and then press the Enter soft key to load the corporate directory. 3. Press the Search soft key. 4. Enter a few continuous characters of the contact name or number using the keypad.  The contacts whose name or number matches the characters entered will appear on the LCD screen. You can dial from the result list. To place a call from the corporate directory: 1. Press Menu->Dir->Remote Phone Book. If Remote Phone Book is added to the directory, press Dir->Remote Phone Book to enter remote phone book. 2. Press     or     to select the desired remote group, and then press the Enter soft key to load the corporate directory. 3. Select the desired contact in the corporate directory. 4. Press the DIAL soft key. In addition, you can enable the phone to present the caller identity stored in the corporate directory when receiving a call. To enable the presentation of caller identity stored in remote phone book via web user interface: 1. Click on Directory->Remote Phone Book. 2. Select Enabled from the pull-down list of Search Remote Phonebook Name.
User Guide for the SIP-T21P IP Phone 42 3. Enter the refresh period of corporate directory in the Search Flash Time (Seconds) field.  The default value is 21600 seconds. 4. Click Confirm to accept the change. The SIP-T21P IP phone maintains call history lists of Placed Calls, Received Calls, Missed Calls and Forwarded Calls. Call history lists support 100 entries in all. You can view the call history, place a call, add a contact or delete an entry from the call history list. You should enable history record in advance. To enable history record via phone user interface: 1. Press Menu->Features->History Setting. 2. Press     or     , or the Switch soft key to select Enable from the History Record field.  3. Press the Save soft key to accept the change or the Back soft key to cancel. To view the call history: 1. Press the History soft key. The LCD screen displays All Calls list. 2. Press     or     to switch between All Calls, Placed Calls, Received Calls, Missed Calls and Forwarded. 3. Press     or     to select the desired entry.
Customizing Your Phone 43 4. Press the Option soft key, and then select Detail from the prompt list. The detailed information of the entry appears on the LCD screen. To place a call from the call history list: 1. Press the History soft key. 2. Press     or     to switch between All Calls, Placed Calls, Received Calls, Missed Calls and Forwarded. 3. Press     or     to scroll to the desired entry. 4. Press the Send soft key. To add a contact to the local directory or blacklist from the call history list: 1. Press the History soft key. 2. Press     or     to switch between All Calls, Placed Calls, Received Calls, Missed Calls and Forwarded. 3. Press     or     to scroll to the desired entry. 4. Press the Option soft key, and then select Add to Contacts (or Add To Blacklist) from the prompt list. 5. Enter the desired values in the corresponding fields, and then press the Save soft key. For more information, refer to Contact Management on page 27. To delete an entry from the call history list: 1. Press the History soft key. 2. Press     or     to switch between All Calls, Placed Calls, Received Calls, Missed Calls and Forwarded. 3. Press     or     to scroll to the desired entry. 4. Press the Delete soft key. To delete all entries from the call history list: 1. Press the History soft key. 2. Press     or     to switch between All Calls, Placed Calls, Received Calls, Missed Calls and Forwarded. 3. Press the Option soft key, and then select Del All from the prompt list. 4. Press the Ok soft key.
User Guide for the SIP-T21P IP Phone 44 The LCD screen prompts "Delete all records?".  5. Press the Ok soft key to confirm the deletion or the Cancel soft key to cancel. You can upload your custom logo which will be shown on the idle screen. To upload a custom logo via web user interface: 1. Click on Features->General Information. 2. Select Custom Logo from the pull-down list of Use Logo. 3. Click Browse to locate the logo file from your local system. 4. Click Upload to upload the file.
Customizing Your Phone 45 5. Click Confirm to accept the change. Note Physically connect your headset and activate the headset mode for use. For more information on physically connecting a headset, refer to Phone Installation on page 11.  To activate the headset mode: 1. Press      on the phone. The headset icon on the idle screen indicates that the headset mode is activated. Press the line key or the Answer soft key to answer a call. The call will connect to your headset automatically. Enter the desired number and press the Send soft key, then the phone will place a call using the headset automatically. For more information on using the headset to place a call, refer to Placing Calls on page 65. To deactivate the headset mode: 1. Press      again on the phone. The headset icon disappears from the idle screen indicates the headset mode is deactivated. You can use headset in priority when enabling headset prior. This feature is especially useful for permanent or full-time headset users. To enable headset prior via web user interface: 1. Click on Features->General Information.    The logo file format must be *.dob, contact your system administrator for more information. Logo customization is configurable via web user interface only.
User Guide for the SIP-T21P IP Phone 46 2. Select Enabled from the pull-down list of Headset Prior. 3. Click Confirm to accept the change. To use headset prior feature, you should activate the headset mode in advance: 1. Physically connect the headset. 2. Press      to activate the headset mode. Note Two types of DSS keys: Line Keys and Programmable Keys. The details will be introduced in the following. The SIP-T21P IP phone supports 2 line keys. You can assign predefined functionalities to the line keys to have quick access to features such as call return and voice mail. The line key LEDs will indicate status when the keys are assigned with particular features, such as BLF. The default key type of each line key is Line.  If headset prior is enabled, the headset mode will not be deactivated until you press the HEADSET key again. Headset prior is configurable via web user interface only.
Customizing Your Phone 47 To configure the line key via phone user interface: 1. Press Menu->Features->DSS Keys. 2. Select the desired line key, and then press the Enter soft key. 3. Select the desired key type from the Type field. 4. (Optional.) Select the desired key event from the Key Type field. 5. (Optional.) Select the desired line from the Account ID field. 6. (Optional.) Enter the corresponding value in the Value field. 7. (Optional.) Enter the corresponding value in the Extension field. 8. Press the Save soft key to accept the change or the Back soft key to cancel. Line key is configurable via web user interface at the path DSSKey->Line Key. Note Common used line key features are explained in the following subchapters in detail:  Speed Dial  Voice Mail  Directed Pickup  Group Pickup  DTMF  Prefix  Local Group  XML Group  XML Brower  LDAP  Conference  Forward  Transfer  Hold  DND  SMS  Group Listening  Zero Touch  Keypad Lock  Directory When the phone is idle, you can also long press the line key to configure it directly on the phone.
User Guide for the SIP-T21P IP Phone 48 For more information, contact your system administrator. Speed Dial You can use this key feature to speed up dialing numbers often used or hard to remember. Dependencies:   Usage: Press the DSS key to dial out the number specified in the Value field, using the account selected from theAccount ID field. Voice Mail You can use this key feature to connect voice mail quickly. For more information, refer to Voice Mail on page 113. Dependencies:  Usage: Press the DSS key to dial out the voice mail access code, you can follow the voice prompt to listen to the voice mails. Directed Pickup You can use this key feature to answer someone   on the phone. Dependencies:    Usage: Press the DSS key on your phone when the specific phone number receives an incoming call. The call is answered on your phone. Group Pickup You can use this key feature to answer incoming calls in a group that is associated with their own group. Dependencies:    Usage: Press the DSS key on your phone when a phone number in the group receives an incoming call. The call is answered on your phone.
Customizing Your Phone 49 DTMF You can use this key feature to send the specification of arbitrary key sequences via DTMF. Dependencies: Usage: Press the DSS key during an active call to send the key sequence specified in the Value field. Note Prefix You can use this key feature to add a specified prefix number before the dialed number. Dependencies:  Usage: Press the DSS key when the phone is idle, then the phone will enter into the dialing screen and display the prefix number which you specified in the Value field. You can enter other digits and then dial out. Local Group You can use this key feature to access the group in the local directory quickly. For more information, refer to Local Directory on page 28. Dependencies: Usage: Press the DSS key to access the group specified in the Local Group field.  XML Group You can use this key feature to access the remote group in your corporate directory quickly. You should configure remote phone book in advance. For more information, refer to Remote Phone Book on page 40. Dependencies: Usage: Press the DSS key to access the remote group specified in the Phone Book Name field.  DTMF sequence only contains "0-9", "*", "#" and "A-D".
User Guide for the SIP-T21P IP Phone 50 XML Browser You can use this key feature to access the XML browser quickly. The XML browser allows you to create custom services which meet your functional requirements on the server. You can customize practical applications, such as weather report, stock information, Google search, etc. Dependencies: Usage: Press the DSS key to access the XML browser specified in the Value field. LDAP You can use this key feature to access the LDAP search interface quickly. Dependencies: Usage: 1. Press the DSS key to access the LDAP search interface. 2. Enter a few continuous characters of the contact name or number using the keypad. The contacts whose name or number matches the characters entered will appear on the LCD screen.  Conference You can use this key feature to set up a conference call. For more information, refer to Conference on page 86. Dependencies: Usage: Press the DSS key during an active call to set up a conference with the number specified in the Value field. Note Forward You can use this key feature to forward an incoming call to someone else. For more information, refer to Call Forward on page 78. Dependencies:  When you leave the Value field blank, the DSS key performs the same function as the Conference soft key during a call.
Customizing Your Phone 51 Usage: Press the DSS key to forward an incoming call to the number specified in the Value field. Note Transfer You can use this key feature to handle the call differently depending on the transfer mode on DSS key when there is an active call on the phone. Dependencies:  Usage:  When the transfer mode on DSS key is Blind Transfer, press the DSS key to complete the blind transfer to the number specified in the Value field.  When the transfer mode on DSS key is Attended Transfer, press the DSS key to dial out the number specified in the Value field, and then you can perform the attended or semi-attended transfer.  When the transfer mode on DSS key is New Call, press the DSS key to place a new call to the number specified in the Value field. Note Hold You can use this key feature to place an active call on hold or retrieve a held call. Dependencies: Usage:  1. Press the DSS key during an active call to place the call on hold. 2. Press the DSS key again to retrieve the held call. DND You can use this key feature to activate or deactivate DND. You can also use this key feature to access the custom DND interface. For more information, refer to Do Not Disturb (DND) on page 75. When you leave the Value field blank, the DSS key performs the same function as the Fwd soft key when receiving an incoming call. Transfer mode on DSS key is configurable via web user interface at the path Features->Transfer->Transfer Mode Via Dsskey. When you leave the Value field blank, the DSS key performs the same function as the TRAN key or the Tran soft key during a call. For more information, refer to Call Transfer on page 84.
User Guide for the SIP-T21P IP Phone 52 Dependencies: Usage:  When DND is in phone mode: 1. Press the DSS key to activate DND. 2. Press the DSS key again to deactivate DND. When DND is in custom mode: 1. Press the DSS key to access the custom DND interface. 2. Activate or deactivate DND for one or all accounts. Note SMS You can use this key feature to quick access the short message service. For more information, refer to Short Message Service (SMS) on page 111. Dependencies: Usage: Press the DSS key when the phone is idle to access the short message service. Group Listening You can use this key feature to activate the Speakerphone and Handset/Headset mode at the same time. It is suitable for the group conversation which has more than one person at one side. You are able to speak and listen through the handset/headset, meanwhile the others nearby can only listen through the speaker. Dependencies: Usage:  1. During a call, press the DSS key to activate the group listening mode. You can then speak and listen through the handset/headset, other persons at your side can listen through the speaker at the same time. 2. Press the DSS key again to deactivate the group listening mode. Zero Touch You can use this key feature to configure auto provision and network parameters quickly. Dependencies: Usage: 1. Press the DSS key to access the zero touch screen. 2. Press the Ok soft key in a few seconds. When DND is activated, the incoming calls will be rejected automatically.
Customizing Your Phone 53 3. Configure the network parameters in the corresponding fields. 4. Press the Next soft key. 5. Configure the auto provision parameters in the corresponding fields. 6. Press the Ok soft key. The phone will reboot to update configurations. Keypad Lock You can use this key feature to immediately lock the keypad of your phone instead of long pressing      . For more information, refer to Keypad Lock on page 21. Dependencies: Usage: Press the DSS key to immediately lock the keypad of your phone instead of long pressing      . Directory You can use this key feature to easily access frequently used lists. For more information, refer to Directory on page 27. Dependencies: Usage: Press the DSS key to immediately access to frequently used lists. Note You can customize the soft keys, navigation keys and function keys on the keypad. To customize the programmable keys via web user interface: 1. Click on DSSKey->Programmable Key.    The DSS key performs the same function as the Dir soft key when the phone is idle.
User Guide for the SIP-T21P IP Phone 54 2. Customize specific features for these keys. 3. Click Confirm to accept the change. You can click Reset to default to reset custom settings to defaults. Note You can register one or multiple accounts on the SIP-T21P IP phone. You can also configure each line key to associate with an account or configure multiple line keys to associate with an account. To register an account via phone user interface: 1. Press Menu->Settings->Advanced Settings (password: admin) ->Accounts. 2. Select the desired account and then press the Enter soft key. 3. Select Enable from the Activation field.  4. Enter the desired values in the Label, Display Name, Register Name, User Name, Password and Sip Server1/2 fields respectively. Contact your system administrator for more information. 5. Press the Save soft key to accept the change or the Back soft key to cancel. Programmable keys are configurable via web user interface only.
Customizing Your Phone 55 You can repeat steps 2 to 5 to register more accounts. To disable an account via phone user interface: 1. Press Menu->Settings->Advanced Settings (password: admin) ->Accounts. 2. Select the desired account and then press the Enter soft key. 3. Select Disable from the Activation field to disable the account. 4. Press the Save soft key to accept the change or the Back soft key to cancel. Account registration is configurable via web user interface at the path Account->Register. You can configure multiple line keys to associate with an account. This enhances call visualization and simplifies call handling. Incoming calls to this account will be distributed evenly among the available line keys. Outgoing calls will be distributed similarly. Dial plan is a string of characters that governs the way your SIP-T21P IP phone processes the inputs received from your phone keypad. The SIP-T21P IP phone supports the following dial plan features:  Replace Rule  Dial-now  Area Code  Block Out The basic expression syntax you need to know: . The dot  multiple placeholders for any character. Example: 12.  would match  123 ,  1234 ,  12345 , "12abc", etc. x  An  x  can be used as a placeholder for any character. Example: 12x  would match  121 ,  122 ,  123 , "12a", etc. [] The square brackets  [] can be used as a placeholder for a single character which matches any of a set of characters. Example: 91[5-7]1234  would match  9151234 ,  9161234 ,  9171234 . () The parentheses  ( )  can be used to group together patterns, for instance, to logically combine two or more patterns. Example: 91([5-7])1(x)  would match  91511 ,  91618 ,  91715 , etc. $
User Guide for the SIP-T21P IP Phone 56 placed in the parenthesis. The number directs to the right parenthesis when there are more than one. Example:  A replace rule configuration: Prefix: "9([5-7]) (.)", Replace: "5$2". When you enter "96123" to dial out on your phone, the number will be replaced as "5123"  You can configure one or more replace rules (up to 100) to remove the specified string and replace it with another string. You can configure a pattern with wildcards (refer to the expression syntax in the table above), so that any string that matches the pattern will be replaced. This feature is convenient for you to dial out a long number. For example, a replace rule is configured as  Prefix: 1  and  Replace: 1234567 . When trying to dial out the number  1234567 , you just need to enter  1  on the phone and then press the Send soft key. To add a replace rule via web user interface: 1. Click on Settings->Dial Plan->Replace Rule. 2. Enter the string (e.g., 1) in the Prefix field. 3. Enter the string (e.g., 1234) in the Replace field. 4. Enter the desired line ID in the Account field or leave it blank. 5. Click Add to add the replace rule.
Customizing Your Phone 57 When you enter the number  1  using the keypad and then press the Send soft key, the phone will dial out  1234  instead. Note To edit a replace rule via web user interface: 1. Click on Settings->Dial Plan->Replace Rule. 2. Select the desired replace rule by checking the check box. 3. Edit the values in the Prefix and Replace fields. 4. Enter the desired line ID in the Account field or leave it blank. 5. Click Edit to accept the change. To delete one or more replace rules via web user interface: 1. Click on Settings->Dial Plan->Replace Rule. 2. Select one or more replace rules by checking the check box(es). 3. Click Del to delete the replace rule(s). Note You can configure one or more dial-now rules (up to 100) on your phone. When the dialed out number matches the dial-now string, the number will be dialed out automatically. For example, a dial-now rule is configured as  2xx , then any entered three-digit string beginning with 2 will be dialed out automatically on the phone. To add a dial-now rule via web user interface: 1. Click on Settings->Dial Plan->Dial-now. 2. Enter the desired value (e.g., 1234) in the Rule field. 3. Enter the desired line ID in the Account field or leave it blank.    The valid values of Account field can be one or two digits among 1 and 2. Each digit must be separated by a comma. For example, when you enter the value  1, 2  in the Account field, this replace rule will apply to account1 and account2. If you leave the Account field blank or enter 0, the replace rule will apply to all accounts. Replace rule is configurable via web user interface only.
User Guide for the SIP-T21P IP Phone 58 For more information on the valid values of Account field, refer to Replace Rule on page 56.  4. Click Add to add the dial-now rule. When you enter the number  1234  using the keypad, the phone will dial out  1234  automatically without pressing any key. Note Delay Time for Dial-now Rule You can configure the delay time for dial-now rules. That is, you can configure your phone to dial out the phone number automatically, which matches a dial-now rule, after the specified delay time. To configure the delay time for dial-now rule via web user interface: 1. Click on Features->General Information.    You can also edit or delete the dial-now rule, refer to Replace Rule on page 56 for more information. Dial-now rule is configurable via web user interface only.
Customizing Your Phone 59 2. Enter the time within 1-14 (in seconds) in the Time-Out for Dial-Now Rule field. 3. Click Confirm to accept the change. Note Area codes are also known as Numbering Plan Areas (NPAs). They usually indicate geographical areas in a country. This feature is necessary only when dialing the number outside the code area. For example, area code is configured as  Code: 0592, Min Length: 4, Max Length: 11 , then when you dial out the number  56789 , which has the digits between 4 to 11, the phone will add the area code and dial out the number 059256789 . You can only configure one area code rule on your phone. To configure the area code via web user interface: 1. Click on Settings->Dial Plan->Area Code. 2. Enter the desired values in the Code, Min Length (1-15) and Max Length (1-15) fields. 3. Enter the desired line ID in the Account field or leave it blank.    Delay time for dial-now rule is configurable via web user interface only.
User Guide for the SIP-T21P IP Phone 60 For more information on the valid values of Account field, refer to Replace Rule on page 56. 4. Click Confirm to accept the change. Note You can block some specific numbers from being dialed on your phone. When you dial a block out number on your phone, the dialing will fail and the LCD screen will prompt Forbidden Number . You can add 10 block out rules at most on your phone. To add a block out number via web user interface: 1. Click on Settings->Dial Plan->Block Out. 2. Enter the desired value in the BlockOut Number field. 3. Enter the desired line ID in the Account field or leave it blank.    Area code is configurable via web user interface only.
Customizing Your Phone 61 For more information on the valid values of Account field, refer to Replace Rule on page 56. 4. Click Confirm to add the block out number. Note Public telephone networks in countries around the world have a single emergency telephone number (emergency services number), that allows a caller to contact local emergency services for assistance when necessary. The emergency telephone number may differ from country to country. It is typically a three-digit number so that it can be easily remembered and dialed quickly. Some countries have different emergency numbers for different emergency services. You can specify the emergency telephone number on the IP phone for contacting the emergency services in an emergency situation. Note To specify emergency numbers via web user interface: 1. Click on Features->Phone Lock. 2. Enter the emergency number in the Emergency field.     Contact your local phone service provider for available emergency numbers in your area. Block out number is configurable via web user interface only.
User Guide for the SIP-T21P IP Phone 62 For multiple numbers, enter a comma between every two emergency numbers. The default emergency numbers are 110, 911 and 120. 3. Click Confirm to accept the change. Note You can enable live dialpad on the SIP-T21P IP phone, which enables the IP phone to automatically dial out the phone number without pressing the send key. You can also configure a delay, where the phone will dial out the phone number automatically after the specified period of time. To enable live dialpad via web user interface: 1. Click on Settings->Preference. 2. Select Enabled from the pull-down list of Live Dialpad.    Emergency number is configurable via web user interface only.
Customizing Your Phone 63 3. Enter the desired delay time in the Inter Digit Time (1~14s) field. The default delay time is 4s. 4. Click Confirm to accept the change. Note You can dial a hotline number immediately upon lifting the handset, pressing the Speakerphone key or pressing a line key. You can also configure a delay, where the phone will dial out the hotline number automatically after the specified period of time. To configure the hot line number via phone user interface: 1. Press Menu->Features->Hotline. 2. Enter the desired number in the Number field.  3. Enter the delay time (in seconds) in the Hotline Time-out field. The valid values range from 0 to 10. 4. Press the Save soft key to accept the change or the Back soft key to cancel. Hotline is configurable via web user interface at the path Features->General Information.    Live dialpad is configurable via web user interface only.
User Guide for the SIP-T21P IP Phone 64
Basic Call Features 65 The SIP-T21P IP phone is designed to be easily used like a regular phone on a public switched telephone network (PSTN). You can place calls, answer calls, transfer a call to someone else, or conduct a conference call. This chapter provides basic operating instructions for the SIP-T21P IP phone. Topics include:  Placing Calls  Answering Calls  Ending Calls  Redialing Numbers  Recent Call In Dialing  Auto Answer  Auto Redial  Call Completion  Call Return  Call Mute  Call Hold/Resume  Do Not Disturb (DND)  Call Forward  Call Transfer  Call Waiting  Conference  Call Park  Call Pickup  Anonymous Call  Anonymous Call Rejection If you require additional information or assistance with your new phone, contact your system administrator. You can place a call in three ways using your SIP-T21P IP phone:  Using the handset
User Guide for the SIP-T21P IP Phone 66  Using the speakerphone  Using the headset You can also dial the number first, and then choose the way you want to speak to the other party. You can also search and dial a contact from call history, local directory or remote phone book. For more information, refer to Contact Management on page 27 and Call History Management on page 42. During a call, you can alternate between Speakerphone, Headset and Handset modes by pressing the Speakerphone key, the HEADSET key, or picking up the handset. The call duration of active call is visible on the LCD screen. In the figure below, the call to Kame has lasted 9 seconds.  To place a call using the handset: 1. Pick up the handset. 2. Enter the desired number using the keypad. 3. Press     ,      , or the Send soft key. The # key is configured as a send key by default. You can also set the * key as the send key, or set neither. For more information, refer to Key as Send on page 21. Note To place a call using the hands-free speakerphone mode: Do one of the following: - With the handset on-hook, press      or the line key to obtain a dial tone. Enter the desired number using the keypad. Press     ,      , or the Send soft key. - With the handset on-hook, enter the desired number using the keypad. Press      ,      ,     , or the Send soft key. You can also dial using the SIP URI or IP address. To obtain the IP address of the phone, press the OK key. The maximum SIP URI or IP address length is 32 characters. For example, SIP URI: 2210@sip.com, IP: 192.168.1.15. Your phone may not support direct IP dialing. Contact your system administrator for more information.
Basic Call Features 67 To place a call using the headset: Do one of the following: - With the optional headset connected, press      to activate the headset mode. Press the line key to obtain a dial tone. Enter the desired number using the keypad. Press     ,      , or the Send soft key. - With the optional headset connected, press      to activate the headset mode. Enter the desired number using the keypad. Press     ,      , or the Send soft key. Note To place multiple calls: You can have more than one call on your SIP-T21P IP phone. To place a new call during an active call, do one of the following: - Press the line key. The active call is placed on hold. Enter the desired number using the keypad. Press     ,      , or the Send soft key. - Press the Hold soft key to place the original call on hold. Press the NewCall soft key. Enter the desired number using the keypad. Press     ,      , or the Send soft key. You can press     or     to switch between the calls, and then press the Resume soft key to retrieve the desired call. When you are not in another call, you can answer a call in three ways:  Using the handset  Using the speakerphone  Using the headset Note To permanently enable your headset, refer to Headset Prior on page 45. You can ignore incoming calls by pressing the Reject soft key or the Silence soft key. You can also activate Do Not Disturb mode to ignore all incoming calls without ring on your phone. For more information, refer to Do Not Disturb (DND) on page 75. You can forward incoming calls to someone else by pressing the Fwd soft key. For more information, refer to Call Forward on page 78.
User Guide for the SIP-T21P IP Phone 68 Answering When Not in Another Call Call duration and destination will always appear on the LCD screen for the active call. To answer a call using the handset: 1. Pick up the handset. To answer a call using the hands-free speakerphone mode: Do one of the following: - Press      . - With the handset on-hook and headset mode deactivated, press the Answer soft key. - With the handset on-hook and headset mode deactivated, press the line key (the line key LED flashes green). To answer a call using the headset: Do one of the following: - Press      . - With the headset mode activated, press the Answer soft key. - With the headset mode activated, press the line key (the line key LED flashes green). Answering When in Another Call If you have an active call, and an incoming call arrives on the phone, do one of the following: - Press the Answer soft key. The incoming call is answered and the original call is placed on hold. - Press     to access the new call. Press     or the Answer soft key. The incoming call is answered and the original call is placed on hold. To end a call: Do one of the following: - If you are using the handset, press the Cancel soft key or hang up the handset. - If you are using the headset, press the Cancel soft key.
Basic Call Features 69 - If you are using the speakerphone, press      or the Cancel soft key. Note To redial the last dialed number from your phone: 1. Press      twice. A call to your last dialed number is attempted. To redial a previously dialed number from your phone: 1. Press      when the phone is idle. 2. Press     or     to select the desired entry, and then press      or the Send soft key. You can view the placed calls list when the phone is in the pre-dialing screen. To do this, you should enable recent call in dialing in advance. To enable recent call in dialing via web user interface: 1. Click on Directory->Setting. 2. Select Enabled from the pull-down list of Recent Call In Dialing.   To end a call placed on hold, you can press the Cancel soft key to end the call directly, or press the Resume soft key to resume the call before ending it.
User Guide for the SIP-T21P IP Phone 70 3. Click Confirm to accept the change. Note To view placed calls list when the phone is in the pre-dialing screen: 1. Pick up the handset, press the speakerphone or press the line key. The LCD screen displays the placed calls list. You can press     or     to select the desired entry and then place a call to the contact.  You can use auto answer to automatically answer an incoming call on a line. Auto answer is configurable on a per-line basis. To configure auto answer via phone user interface: 1. Press Menu->Settings->Advanced Settings (password: admin) ->Accounts. 2. Select the desired account and then press the Enter soft key. 3. Press     or     , or the Switch soft key to select Enable from the Auto Answer field.  4. Press the Save soft key to accept the change or the Back soft key to cancel. The     icon appears on the LCD screen.   Recent call in dialing is configurable via web user interface only.
Basic Call Features 71 Auto answer is configurable via web user interface at the path Account->Basic. Note You can enable auto redial to redial the phone number automatically when the called party is busy. You can also configure the times settings for auto redial and the time to wait between redial attempts. To configure auto redial via phone user interface: 1. Press Menu->Features->Auto Redial. 2. Press     or     , or the Switch soft key to select Enable from the Auto Redial field.  3. Enter the desired time in the Interval field. The default time interval is 10s.  4. Enter the desired times in the Times field. The default times are 10. 5. Press the Save soft key to accept the change or the Back soft key to cancel. Auto redial is configurable via web user interface at the path Features->General Information. To use auto redial: When the called party is busy, the following prompt will appear on the LCD screen of the phone:     Auto answer is only applicable when there is no other call in progress on the phone.
User Guide for the SIP-T21P IP Phone 72 1. Press the Ok soft key to activate auto redial.  The following prompt will appear on the LCD screen of the phone:  2. Wait for a period of time or press the Ok soft key to redial the phone number. The phone will retry as many times as configured until the called party is idle. You can use call completion to notify the caller who failed to reach a desired callee when the callee becomes available to receive a call. To configure call completion via phone user interface: 1. Press Menu->Features->Call Completion. 2. Press     or     , or the Switch soft key to select Enable from the Call Completion field.  3. Press the Save soft key to accept the change or the Back soft key to cancel. Call completion is configurable via web user interface at the path Features->General Information. To use call completion: When the called party is busy, the following prompt will appear on the LCD screen of the phone:
Basic Call Features 73 1. Press the Ok soft key, the phone returns to the idle screen and call completion is activated. When the called party becomes idle, the following prompt appears on the LCD screen of the phone:  2. Press the Ok soft key to redial the number. Note You can press a call return key to place a call back to the last incoming call. To configure a call return key via phone user interface: 1. Press Menu->Features->DSS Keys. 2. Select a desired DSS key. 3. Press     or     , or the Switch soft key to select Key Event from the Type field. 4. Press     or     , or the Switch soft key to select Call Return from the Key Type field.  5. Press the Save soft key to accept the change or the Back soft key to cancel. Call return key is configurable via web user interface at the path DSSKey->Line Key. You can mute the microphone of the active audio device during an active call, and then the other party cannot hear you. To mute a call: 1. Press     during an active call. Call completion is not available on all servers. For more information, contact your system administrator.
User Guide for the SIP-T21P IP Phone 74 The LCD screen indicates that the call is on mute.  To un-mute a call: 1. Press     again to un-mute the call. You can place an active call on hold. Only one active call can be in progress at any time. Other calls can be made and received while placing the original call on hold. When you place a call on hold, your IP PBX may play music on hold to the other party while waiting. To place a call on hold:  1. Press the Hold soft key during a call. The line key LED flashes green. The LCD screen indicates that the call is on hold.  Note To resume a held call: 1. Press the Resume soft key. Multiple Calls on Hold: If multiple calls are placed on hold, do one of the following: - Press     or     to switch between the calls, and then press the Resume soft key to retrieve the desired call. - Press the corresponding line key to retrieve the desired call. If more than one call is placed on hold, a numbered prompt appears on the LCD screen, The phone will beep softly every 30 seconds to remind you that you still have a call on hold.
Basic Call Features 75 for example  3 three calls. You can use DND to reject incoming calls automatically on the phone. Callers will receive a busy message. You can enable/disable DND for the phone system, or you can customize DND for each or all accounts. Two DND modes:  Phone (default): DND is effective for the phone system.  Custom: DND can be configured for each or all accounts. You can receive incoming calls from authorized numbers when DND is enabled. To configure the DND mode via web user interface: 1. Click on Features->Forward & DND. 2. In the DND block, mark the desired radio box in the Mode field. 3. Click Confirm to accept the change. Note  DND mode is configurable via web user interface only.
User Guide for the SIP-T21P IP Phone 76 To activate DND in phone mode: 1. Press the DND soft key when the phone is idle. The     icon on the idle screen indicates that DND is enabled. Incoming calls will be rejected automatically and "n New Missed Call(s)" ("n" indicates the number of the missed calls) will appear on the LCD screen.  To activate DND in custom mode for a specific account: 1. Press the DND soft key when the phone is idle. The LCD screen displays a list of accounts on the phone.  2. Press     or     to select the desired account. 3. Press     or     soft key to select On to active DND. 4. Press the Save soft key to accept the change. The     icon appears on the idle screen and the associated line icon changes to    . Incoming calls on this line will be rejected automatically and "n New Missed Call(s)" ("n" indicates the number of the missed calls) will appear on the LCD screen.  To activate DND in custom mode for all accounts: 1. Press the DND soft key when the phone is idle.
Basic Call Features 77 The LCD screen displays a list of the accounts on the phone.  2. Press the All On soft key to activate DND for all accounts. 3. Press the Save soft key to accept the change. The     icon appears on the idle screen and all line icons change to    . Incoming calls will be rejected automatically and "n New Missed Call(s)" ("n" indicates the number of the missed calls) will appear on the LCD screen. Note To configure the DND authorized numbers via web user interface: 1. Click on Features->Forward & DND. 2. Select Enabled from the pull-down list of DND Emergency.    The prompt message displays only if Missed Call Log for the line is enabled. Missed Call Log is configurable via web user interface at the path Account->Basic. Do Not Disturb is local to the phone, and may be overridden by the server settings. For more information, contact your system administrator.
User Guide for the SIP-T21P IP Phone 78 3. Enter the numbers in the DND Authorized Numbers field. For multiple numbers, enter a comma between every two numbers. 4. Click Confirm to accept the change. When DND is enabled on the phone, the phone can still receive incoming calls from the numbers specified in the DND Authorized Numbers field. Note You can configure your phone to forward incoming calls to another party by the static forwarding. You can also forward calls while your phone is ringing, refer to the dynamic forwarding. Static Forwarding Three types of static forwarding:  Always Forward: Incoming calls are immediately forwarded.  Busy Forward: Incoming calls are immediately forwarded if the phone is busy.  No Answer Forward: Incoming calls are forwarded if not answered after a period DND authorized number is configurable via web user interface only.
Basic Call Features 79 of time. You can enable/disable call forward for the phone system, or you can customize call forward for each or all accounts. Two call forward modes:  Phone (default): Call forward is effective for the phone system.  Custom: Call forward can be configured for each or all accounts. To configure the call forward mode via web user interface: 1. Click on Features->Forward & DND. 2. In the Forward block, mark the desired radio box in the Mode field.  3. Click Confirm to accept the change. Note To enable call forward in phone mode: 1. Press Menu->Features->Call Forward. 2. Press     or     to select the desired forwarding type, and then press the Enter soft key.    Call forward mode is configurable via web user interface only.
User Guide for the SIP-T21P IP Phone 80 3. Depending on your selection: a.)  If you select Always Forward: 1)  Press     or     , or the Switch soft key to select Enable from the Always field.  2)  Enter the destination number you want to forward all incoming calls to in the Forward to field. 3)  (Optional.) Enter the always forward on code or off code respectively in the On Code or Off Code field. b.)  If you select Busy Forward: 1)  Press     or     , or the Switch soft key to select Enable from the Busy field.   2)  Enter the destination number you want to forward all incoming calls to when the phone is busy in the Forward to field. 3)  (Optional.) Enter the busy forward on code or off code respectively in the On Code or Off Code field. c.)  If you select No Answer Forward: 1)  Press     or     , or the Switch soft key to select Enable from the No Answer field.  2)  Enter the destination number you want to forward all unanswered incoming calls to in the Forward to field. 3)  Press     or     , or the Switch soft key to select the ring time to wait
Basic Call Features 81 before forwarding from the After Ring Time field. The default ring time is 12 seconds. 4)  (Optional.) Enter the no answer forward on code or off code respectively in the On Code or Off Code field. 4. Press the Save soft key to accept the change or the Back soft key to cancel. The    icon on the idle screen indicates call forward is enabled. To enable call forward in custom mode: 1. Press Menu->Features->Call Forward. 2. Press     or     to select the desired account, and then press the Enter soft key. 3. Press     or     to select the desired forwarding type, and then press the Enter soft key. 4. Depending on your selection: a.)  If you select Always Forward, you can enable it for a specific account. 1)  Press     or     , or the Switch soft key to select Enable from the Always field. 2)  Enter the destination number you want to forward all incoming calls to in the Forward to field. 3)  (Optional.) Enter the always forward on code or off code respectively in the On Code or Off Code field.  You can also enable always forward for all accounts. After always forward was enabled for a specific account, do the following: 1)  Press     or     to scroll to the Always field. 2)  Press the All Lines soft key. The LCD screen prompts  Copy to All Lines? .  3)  Press the Ok soft key to accept the change or the Cancel soft key to cancel.
User Guide for the SIP-T21P IP Phone 82 b.)  If you select Busy Forward, you can enable it for a specific account. 1)  Press     or     , or the Switch soft key to select Enable from the Busy field.  2)  Enter the destination number you want to forward all incoming calls to when the phone is busy in the Forward to field. 3)  (Optional.) Enter the busy forward on code or off code respectively in the On Code or Off Code field.  You can also enable busy forward for all accounts. After busy forward was enabled for a specific account, do the following: 1)  Press     or     to scroll to the Busy field. 2)  Press the All Lines soft key. The LCD screen prompts  Copy to All Lines? .  3)  Press the Ok soft key to accept the change or the Cancel soft key to cancel. c.)  If you select No Answer Forward, you can enable it for a specific account. 1)  Press     or     , or the Switch soft key to select Enable from the No Answer field. 2)  Enter the destination number you want to forward all unanswered incoming calls to in the Forward to field. 3)  Press     or     , or the Switch soft key to select the ring time to wait before forwarding from the After Ring Time field. The default ring time is 12 seconds.
Basic Call Features 83 4)  (Optional.) Enter the no answer forward on code or off code respectively in the On Code or Off Code field.  You can also enable no answer forward for all accounts. After no answer forward was enabled for a specific account, do the following: 1)  Press     or     to scroll to the No Answer field. 2)  Press the All Lines soft key. The LCD screen prompts  Copy to All Lines? .  3)  Press the Ok soft key to accept the change or the Cancel soft key to cancel. 5. Press the Save soft key to accept the change or the Back soft key to cancel. The    icon appears on the idle screen and the associate line icon changes to    . Call forward is configurable via web user interface at the path Features->Forward & DND. Note To disable call forward in phone mode: Do one of the following: - Press      when the phone is idle. - Press Menu->Features->Call Forward. Press     or     to select the desired forwarding type, then press the Enter soft key. Press     ,    , or the Switch soft key to select Disable to disable the call forward. You can also enter the SIP URL or IP address in the Forward to field. For more information on using the SIP URL or IP address, refer to Placing Calls on page 65. Call forward is local to the phone, and may be overridden by the server settings. Call forward on code or off code may be different between servers. For more information, contact your system administrator.
User Guide for the SIP-T21P IP Phone 84 Press the Save soft key to accept the change. To disable call forward in custom mode for a specific account: 1. Press Menu->Features->Call Forward or press      when the phone is idle. 2. Press     or     to select the desired account, then press the Enter soft key. 3. Press     or     to select the desired forwarding type, then press the Enter soft key. 4. Press     ,     or the Switch soft key to select Disable to disable the call forward. 5. Press the Save soft key to accept the change. Dynamic Forwarding To forward an incoming call to another party:  1. When the phone is ringing, press the Fwd soft key. 2. Enter the number you want to forward the incoming call to.  3. Press     ,      , or the Send soft key. The incoming call is forwarded. The LCD screen prompts a call forward message.  You can transfer a call to another party in one of the three ways:  Blind Transfer: Transfer a call directly to another party without consulting.  Semi-Attended Transfer: Transfer a call when the target phone is ringing.  Attended Transfer: Transfer a call with prior consulting. To perform a blind transfer: 1. Press      or the Tran soft key during a call.  2. Enter the number you want to transfer the call to.
Basic Call Features 85 3. Press      or the Tran soft key to complete call transfer. Then the call is connected to the number to which you are transferring. To perform a semi-attended transfer: 1. Press      or the Tran soft key during a call. 2. Do one of the following: - Enter the number you want to transfer the call to. - Press the Dir soft key, and then select Local Directory. Select the desired group, and search for the contact (Directory should be configured in advance. Refer to  Directory on page 27 for more information.). - Press the Dir soft key, and then select History. Select the desired list and use     or     to select the entry (Directory should be configured in advance. Refer to Directory on page 27 for more information.). - Press the Dir soft key, and then select Remote Phone Book. Select the desired group and search for the contact (Directory and remote phone book should be configured in advance. Refer to Directory on page 27 and Remote Phone Book on page 40 for more information.). 3. Press     or      to dial out. 4. Press      or the Tran soft key to complete call transfer when receiving the ringback. To perform an attended transfer: 1. Press      or the Tran soft key during a call. 2. Do one of the following: - Enter the number you want to transfer the call to. - Press the Dir soft key, and then select Local Directory. Select the desired group, and search for the contact (Directory should be configured in advance. Refer to  Directory on page 27 for more information.). - Press the Dir soft key, and then select History. Select the desired list and use     or     to select the entry (Directory should be configured in advance. Refer to Directory on page 27 for more information.). - Press the Dir soft key, and then select Remote Phone Book. Select the desired group and search for the contact (Directory and remote phone book should be configured in advance. Refer to Directory on page 27 and Remote Phone Book on page 40 for more information.). 3. Press     or      to dial out. 4. After the party answers the call, press      or the Tran soft key to complete call transfer.
User Guide for the SIP-T21P IP Phone 86 If you are using a handset, call transfer can be completed by hanging up the handset. You can cancel call transfer before the call is connected by pressing the Cancel soft key. You can enable or disable call waiting on the phone. If call waiting is enabled, you can receive another call when there is an active call on the phone. Otherwise, another incoming call is automatically rejected by the phone with a busy message when there is an active call on the phone. You can also enable or disable the phone to play a warning tone when receiving another call. To configure call waiting via phone user interface: 1. Press Menu->Features->Call Waiting.  2. Press     or     , or the Switch soft key to select Enable from the Call Waiting field. 3. Press     or     , or the Switch soft key to select Enable from the Play Tone field. 4. (Optional.)Enter the call waiting on code or off code respectively in the CW On Code or CW Off Code field. 5. Press the Save soft key to accept the change or the Back soft key to cancel. Call waiting is configurable via web user interface at the path Features->General Information. can create a conference between an active call and a call on hold (on the same or another line) by pressing the Conference soft key. Note  Network conference is not available on all servers. For more information, contact your system administrator.
Basic Call Features 87 The SIP-T21P IP phone supports up to 3 parties (including yourself) in a conference call. This is the default method of conference called Local Conference. To set up a local conference call: 1. Place a call to the first party. 2. When the first party answers the call, press the Conference soft key to place a new call. The active call is placed on hold. 3. Enter the number of the second party and press     ,      , or the Send soft key.  4. When the second party answers the call, you can consult with him or her before adding to the conference. 5. Press the Conference soft key again to join all parties in the conference. To join two calls in a conference: 1. Place two calls using two different accounts on the phone (for example, place the first call using account 1, and then place the second call using account 2). 2. Press     or     to select the call for conference and make sure the call is active (for example, select the call on account 1). 3. Press the Conference soft key to join the two calls in the conference on the selected account. You can press the Hold soft key to place the conference on hold. You can press the Split soft key to split the conference call into two individual calls. To drop the conference call, press the Cancel soft key. You can use network conference on the SIP-T21P IP phone to conduct a conference with multiple participants. This feature allows you to perform the following:  Join two calls together into a conference call.  Invite another party into an active conference call.
User Guide for the SIP-T21P IP Phone 88 To use this feature, contact your system administrator for the network conference URI in advance. To configure network conference via web user interface: 1. Click on Account. 2. Select the desired account from the pull-down list of Account. 3. Click on Advanced. 4. Select Network Conference from the pull-down list of Conference Type.  5. Enter the conference URI (e.g., conference@example.com) in the Conference URI field. 6. Click Confirm to accept the change. To set up a network conference call: 1. Place a call to the first party. 2. Press the Conference soft key to place a new call. The active call is placed on hold. 3. Enter the number of the second party and press     ,      , or the Send soft key. 4. When the second party answers the call, press the Conference soft key to add the second party to the conference. 5. Press the Conference soft key to place a new call. The conference is placed on hold. 6. Enter the number of the new party and then press     ,      , or the Send soft key.
Basic Call Features 89 7. When the new party answers the call, press the  8. Conference soft key to add the new party to the conference. 9. Repeat steps 5 to 7 until you have added all intended parties. The procedures to set up a network conference call for specific servers may be different from introduced above. Contact your system administrator for more information. You can use call park to place a call on hold, and then retrieve the call from another phone in the system (for example, a phone in another office or conference room). You can park an active call by pressing the call park key on the phone. If the call is parked successfully, the response is either a voice prompt confirming that the call was parked, or a visible prompt on the LCD screen. Note To configure a call park key via phone user interface: 1. Press Menu->Features->DSS Keys. 2. Select the desired DSS key. 3. Press     or     , or the Switch soft key to select Key Event from the Type field. 4. Press     or     , or the Switch soft key to select Call Park from the Key Type field.  5. Press     or     , or the Switch soft key to select the desired line from the Account ID field. 6. Enter the call park code in the Value field. 7. Press the Save soft key to accept the change or the Back soft key to cancel. Call park key is configurable via web user interface at the path DSSKey->Line Key. To use call park: 1. User on phone A places a call to phone B. 2. User on phone A wants to take the call in a conference room for privacy, then presses the call park key on phone A. 3. User on phone A walks to an available conference room where the phone is Call park is not available on all servers. Contact your system administrator for more information.
User Guide for the SIP-T21P IP Phone 90 designated as phone C. The user dials the call park retrieve code to retrieve the parked call. The system establishes call between phone C and B. Note You can use call pickup to answer   on the phone. The SIP-T21P IP phone supports directed call pickup and group call pickup. Directed call pickup is used for picking up a call that is ringing at a specific phone number. Group call pickup is used for picking up a call that is ringing at any phone number in the group. The pickup group should be predefined, contact your system administrator for more information. You can pick up an incoming call by using the DPickup/GPickup soft key. To use call pickup, you need to configure the call pickup code beforehand on a global or per-line basis via web user interface. Note Directed Call Pickup To enable the directed call pickup via web user interface: 1. Click on Features->Call Pickup. 2. Select Enabled from the pull-down list of Directed Call Pickup. The call park code and call park retrieve code are predefined on the system server. Contact your system administrator for more information. If the parked call is not retrieved within a period of time assigned by the system, the phone performing call park feature will receive call back. If there are many incoming calls at the same time, pressing the GPickup soft key on the phone will pick up the call that rings first.
Basic Call Features 91 3. Click Confirm to accept the change. To configure the directed call pickup code on a global basis via web user interface: 1. Click on Features->Call Pickup. 2. Enter the directed call pickup code in the Directed Call Pickup Code field.  3. Click Confirm to accept the change. To configure the directed call pickup code on a per-line basis via web user interface: 1. Click on Account. 2. Select the desired account from the pull-down list of Account. 3. Click on Advanced.
User Guide for the SIP-T21P IP Phone 92 4. Enter the directed call pickup code in the Directed Call Pickup Code field.  5. Click Confirm to accept the change. To pick up a call directly:  1. Pick up the handset. The DPickup soft key appears on the LCD screen.  2. Press the DPickup soft key on your phone when a phone receives an incoming call. 3. Enter the phone number which receives an incoming call. 4. Press the DPickup soft key again.  The call is answered on your phone. You can also configure a DSS key as directed pickup key via phone user interface or web user interface.You can pick up acall by pressing the directedpickup key directly.
Basic Call Features 93 Group Call Pickup To enable the group call pickup via web user interface: 1. Click on Features->Call Pickup. 2. Select Enabled from the pull-down list of Group Call Pickup.  3. Click Confirm to accept the change. To configure the group call pickup code on a global basis via web user interface: 1. Click on Features->Call Pickup. 2. Enter the group call pickup code in the Group Call Pickup Code field.  3. Click Confirm to accept the change. To configure the group call pickup code on a per-line basis via web user interface: 1. Click on Account. 2. Select the desired account from the pull-down list of Account. 3. Click on Advanced.
User Guide for the SIP-T21P IP Phone 94 4. Enter the group call pickup code in the Group Call Pickup Code field.  5. Click Confirm to accept the change. To pick up a call in the group: 1. Pick up the handset. The GPickup soft key appears on the LCD screen.  2. Press the GPickup soft key on your phone when a phone in the group receives an incoming call. The call is answered on your phone. You can also configure a DSS key as a group pickup key via phone user interface or web user interface. You can pick up a call by pressing the group pickup key directly. Note The directed call pickup code and group call pickup code are predefined on the system server. Contact your system administrator for more information. The call pickup code configured on a per-line basis takes precedence over that configured on a global basis.
Basic Call Features 95 You can use anonymous call to block the identity and phone number from showing up to the called party when you call someone. For example, you want to call to consult some of the services, but don t want to be harassed. Anonymous call is configurable on a per-line basis. Note To configure anonymous call via phone user interface: 1. Press Menu->Features->Anonymous Call. 2. Press     or     , or the Switch soft key to select the desired line from the Line ID field.  3. Press     or     to select Enable from the Anonymous Call field.  4. (Optional.) Enter the anonymous call on code in the Call On Code field. 5. (Optional.) Enter the anonymous call off code in the Call Off Code field. 6. Press the Save soft key to accept the change or the Back soft key to cancel. Anonymous call is configurable via web user interface at the path Account->Basic. To place an anonymous call: 1. Using the specific line on the phone to place a call to phone B. The LCD screen of phone B prompts an incoming call from anonymity.     Anonymous call is not available on all servers.Contact your system administrator for the anonymous call on code and off code.
User Guide for the SIP-T21P IP Phone 96 You can use anonymous call rejection to reject incoming calls from anonymous callers. Anonymous call rejection automatically rejects incoming calls from callers who deliberately block their identities and numbers from showing up. Anonymous call rejection is configurable on a per-line basis. To configure anonymous call rejection via phone user interface: 1. Press Menu->Features->Anonymous Call. 2. Press     or     , or the Switch soft key to select the desired line from the Line ID field. 3. Press     or     to scroll to the Rejection field. 4. Press     or     , or the Switch soft key to select Enable from the Rejection field. 5. (Optional.) Enter the anonymous call rejection on code in the Reject On Code field. 6. (Optional.) Enter the anonymous call rejection off code in the Reject Off Code field.  7. Press the Save soft key to accept the change or the Back soft key to cancel. Anonymous call rejection is configurable via web user interface at the path Account->Basic.
Advanced Phone Features 97 This chapter provides operating instructions for the advanced features of the SIP-T21P IP phone. Topics include:  Busy Lamp Field (BLF)  Call Recording  Hot Desking  Intercom  Multicast Paging  Music on Hold  Automatic Call Distribution (ACD)  Messages If you require additional information or assistance with your new phone, contact your system administrator. You can use BLF to monitor a specific line for status changes on the phone. For example, (busy or idle). The BLF key LED illuminates solid green when the friend's line is in use. For more information on BLF key LED indications, refer to LED Instructions on page 4. You can press a BLF key to dial out the monitored phone number when the monitored line is idle. You can receive a visual and an audio alert (if enabled), and also pick up the call when the monitored line receives an incoming call. For more information, contact your system administrator. To configure a BLF key via phone user interface: 1. Press Menu->Features->DSS Keys. 2. Select the desired DSS key. 3. Press     or     , or the Switch soft key to select BLF from the Type field.
User Guide for the SIP-T21P IP Phone 98 4. Press     or     , or the Switch soft key to select the desired line from the Account ID field. 5. Enter the phone number or extension you want to monitor in the Value field. 6. (Optional.) Enter the pickup code in the Extension field. 7. Press the Save soft key to accept the change or the Back soft key to cancel. BLF key is configurable via web user interface at the path DSSKey->Line Key. You can enable audio alert for BLF pickup feature on the phone. This allows the monitoring phone to play a warning tone when the monitored line receives an incoming call. You can also enable visual alert for BLF pickup feature on the phone. This allows the LCD screen of the monitoring phone to display the caller ID when the monitored line receives an incoming call. To enable visual and audio alert features via web user interface: 1. Click on Features->Call Pickup. 2. Select Enabled from the pull-down list of Visual Alert for BLF Pickup. 3. Select Enabled from the pull-down list of Audio Alert for BLF Pickup. 4. Click Confirm to accept the change. Note When the monitored line receives an incoming call, the followings occur on the phone:  The phone plays a warning tone (if enabled).  The BLF key LED flashes green.  The caller ID appears on the LCD screen (if enabled).    Visual and audio alert features are configurable via web user interface only.
Advanced Phone Features 99 In the following figure, the LCD screen shows an incoming call from 2020 on the monitored line.  Note   When there is an active call on the IP phone, you can transfer the active call to the monitored phone number directly by pressing the BLF key. The phone transfers the active call differently depending on the transfer mode on DSS key. For more information on the transfer mode on DSS key, refer to transfer in the DSS Keys section on page 46. You can record calls by pressing a record key on the phone. The SIP-T21P IP phone supports record and URL record. Two ways of call recording:  Record: The phone sends SIP INFO message containing a specific header  Record: on/off  to trigger a recording.  URL Record: The phone sends HTTP URL request to trigger a recording. Contact your system administrator for the predefined URL. Note To configure a record key via phone user interface: 1. Press Menu->Features->DSS Keys. 2. Select the desired DSS key. 3. Press     or     , or the Switch soft key to select Key Event from the Type field.    Call record is not available on all servers. Contact your system administrator for more information. If your phone is locked and the type of the keypad lock is configured as Function key or All Keys, you cannot use the Pickup, DIAL, NewCall and Cancel soft keys until unlocked.
User Guide for the SIP-T21P IP Phone 100 4. Press     or     , or the Switch soft key to select Record from the Key Type field.  5. Press the Save soft key to accept the change or the Back soft key to cancel. To configure a URL record key via phone user interface: 1. Press Menu->Features->DSS Keys. 2. Select the desired DSS key. 3. Press     or     , or the Switch soft key to select URL Record from the Type field.  4. Enter the URL (e.g., http://10.1.2.224/phonerecording.cgi) in the Value field. 5. Press the Save soft key to accept the change or the Back soft key to cancel. Record and URL record keys are configurable via web user interface at the path DSSKey->Line Key. The record and URL record keys control the recording, and are available:  During an active call  When calls are on hold or mute  During a blind or attended transfer  During a conference call  When the phone prompts you to answer an incoming call The record and URL record keys are not available when:  There are no connected calls on your phone  You place a new call To record a call: 1. Press a record or a URL record key during a call. If the recording starts successfully, the recording icon will appear on the LCD screen and the record or URL record key LED will flash green.
Advanced Phone Features 101 2. Press the record or URL record key again to stop recording. The recording icon disappears from the LCD screen and the record or URL record key LED goes out. Recording status indications you need to know: Circumstance  Icons on the LCD screen A recording is started  appears on the LCD screen A recording cannot be started  appears for 1 second A recording cannot be stopped  appears for 1 second, then goes back The recording box is full  appears for 1 second The call cannot be recorded  appears for 1 second You can listen to the recordings stored on your server system. For example, you can dial an access code to listen to the recordings. Note Hot desking originates from the definition of being the temporary physical occupant of a work station or surface by a particular employee. A primary motivation for hot desking is cost reduction. This feature is regularly used in places where not all the employees are in the office at the same time, or not in the office for very long at all, which means actual personal offices would be often vacant, consuming valuable space and resources. You can use hot desking on the SIP-T21P IP phone to log out of the existing accounts and then log into a new account, that is, many users can share the phone resource in different time. To use this feature, you need to configure a hot desking key in advance. Note To configure a hot desking key via phone user interface: 1. Press Menu->Features->DSS Keys. 2. Select the desired DSS key. 3. Press     or     , or the Switch soft key to select Key Event from the Type field.    The way in which you listen to the recordings may be different on different servers. Contact your system administrator for more information. Hot desking is not available on all servers. Contact your system administrator for more information.
User Guide for the SIP-T21P IP Phone 102 4. Press     or     , or the Switch soft key to select Hot Desking from the Key Type field.  5. Press the Save soft key to accept the change or the Back soft key to cancel. Hot desking key is configurable via web user interface at the path DSSKey->Line Key. To use hot desking: 1. Press the hot desking key when the phone is idle. The LCD screen prompts  Clear all account config? .  2. Press the Ok soft key, registration configurations (e.g., display name, register name, user name and password) of all accounts will be cleared immediately. The login wizard will be shown as below:  3. Enter the desired values in the User Name and Password respectively. Contact your system administrator for more information. 4. Press the Save soft key to login or Cancel soft key to cancel.
Advanced Phone Features 103 Intercom is a useful feature in an office environment to quickly connect with the operator or the secretary. You can press the intercom key to automatically connect with a remote extension for outgoing intercom calls, and the remote extension will automatically answer the incoming intercom calls. Note To configure an intercom key via phone user interface: 1. Press Menu->Features->DSS Keys. 2. Select the desired DSS key. 3. Press     or     , or the Switch soft key to select Intercom from the Type field.  4. Select the desired line from the Account ID field. 5. Enter the remote extension number in the Value field. 6. Press the Save soft key to accept the change or the Back soft key to cancel. Intercom key is configurable via web user interface at the path DSSKey->Line key. To place an intercom call: 1. Press the intercom key when the phone is idle. The phone is automatically connected to the extension specified in the Value field. 2. Press the intercom key again or the Cancel soft key to end the intercom call. The SIP-T21P IP phone supports automatically to answer an incoming intercom call by default. The phone automatically plays a warning tone when it receives an incoming intercom call. In addition, you can enable the phone to mute the microphone when it automatically answers an incoming intercom call. You can also enable the phone to Intercom is not available on all servers. Contact your system administrator for more information.
User Guide for the SIP-T21P IP Phone 104 automatically answer an incoming intercom call while there is already an active call on the phone, the active call is placed on hold. Intercom features you need to know: Intercom Feature  Description Accept Intercom  Enable or disable the IP phone to automatically answer an incoming intercom call. Intercom Mute  Enable or disable the microphone on the IP phone for intercom calls. Warning Tone  Enable or disable the IP phone to play a warning tone when it receives an incoming intercom call. Intercom Barge Enable or disable the IP phone to automatically answer an incoming intercom call while there is already an active call on the phone. To configure intercom features via phone user interface: 1. Press Menu->Features->Intercom. 2. Make the desired changes (Press     or     to switch between different intercom features).  3. Press the Save soft key to accept the change or the Back soft key to cancel. These specific parameters are configurable via web user interface at the path Features->Intercom. Accept Intercom You can enable or disable the phone to automatically answer an incoming intercom call. If Accept Intercom is enabled, the phone automatically answers an incoming intercom call. If Accept Intercom is disabled, the phone rejects incoming intercom calls and sends a busy message to the caller. Accept Intercom is enabled by default. Note Intercom Mute You can mute or un-mute the microphone on the phone for intercom calls automatically. If Intercom Mute is enabled, the microphone is muted for intercom calls. If Intercom Your administrator can set a delay time before the phone automatically answers intercom calls. Contact your system administrator for more information.
Advanced Phone Features 105 Mute is disabled, the microphone works for intercom calls. Intercom Mute is disabled by default. Warning Tone You can enable or disable the phone to play a warning tone when receiving an intercom call. If Warning Tone is enabled, the phone plays a warning tone before answering the intercom call. If Warning Tone is disabled, the phone automatically answers the intercom call without warning. Warning Tone is enabled by default. Intercom Barge You can enable or disable the phone to automatically answer an incoming intercom call while there is already an active call on the phone. If Intercom Barge is enabled, the phone automatically answers the intercom call and places the active call on hold. If Intercom Barge is disabled, the phone handles an incoming intercom call like a waiting call. Intercom Barge is disabled by default. You can use multicast paging to quickly and easily forward time sensitive announcements out to people within the multicast group. You can configure a multicast paging key on the phone, which allows you to send a Real Time Transport Protocol (RTP) stream to the pre-configured multicast address(es) without involving SIP signaling. You can configure the phone to receive an RTP stream from pre-configured multicast listening address(es) without involving SIP signaling. You can specify up to 10 multicast listening addresses. To configure a multicast paging key via phone user interface: 1. Press Menu->Features->DSS Keys. 2. Select the desired DSS key. 3. Press     or     , or the Switch soft key to select Key Event from the Type field. 4. Press     or     , or the Switch soft key to select Multicast Paging from the Key Type field.  5. Enter the multicast IP address and port (e.g., 224.5.6.20:10008) in the Value field.
User Guide for the SIP-T21P IP Phone 106 The valid multicast IP addresses range from 224.0.0.0 to 239.255.255.255. 6. Press the Save soft key to accept the change or the Back soft key to cancel. Multicast paging key is configurable via web user interface at the path DSSKey->Line Key. You can also configure the phone to use a default codec for sending multicast RTP stream via web interface. To configure a default codec for multicast paging via web user interface: 1. Click on Features->General Information. 2. Select the desired codec from the pull-down list of Multicast Codec. The default codec is G722.  3. Click Confirm to accept the change. Note To send RTP stream: 1. Press the multicast paging key when the phone is idle. The phone sends RTP to a preconfigured multicast address (IP: Port). Any phone in the local network then listens to the RTP on the preconfigured multicast address (IP: Port). For both sending and receiving of the multicast RTP, there is no SIP signaling If G722 codec is used for multicast paging, the LCD screen prompts "HD" to indicate that the phone is providing high definition voice. Default codec for multicast paging is configurable via web user interface only.
Advanced Phone Features 107 involved. The multicast paging key LED illuminates solid green. The following figure shows a multicast RTP session on the phone:  2. Press the Hold soft key to place the current multicast RTP session on hold. 3. Press the Cancel soft key to cancel the multicast RTP session. Note You can configure the phone to receive a Real Time Transport Protocol (RTP) stream from the pre-configured multicast address(es) without involving SIP signaling. You can specify up to 10 multicast addresses that the phone listens to on the network. How the phone handles incoming multicast paging calls depends on Paging Barge and Paging Priority Active parameters configured via web user interface. Paging Barge Paging barge parameter defines the priority of the voice call in progress. If the priority of an incoming multicast paging call is lower than that of the active call, it will be ignored automatically. If Disabled is selected from the pull-down list of Paging Barge, the voice call in progress takes precedence over all incoming multicast paging calls. Valid values in the Paging Barge field:  1 to 10: Define the priority of an active call, 1 with the highest priority, 10 with the lowest.  Disabled: The voice call in progress shall take precedence over all incoming paging calls. Paging Priority Active Paging priority active parameter decides how the phone handles the incoming multicast paging calls when there is already a multicast paging call on the phone. If enabled, the phone will ignore incoming multicast paging calls with lower priorities, otherwise, the phone will answer incoming multicast paging calls automatically and place the previous multicast paging call on hold. If disabled, the phone will automatically ignore all incoming multicast paging calls. Multicast RTP is one way only from sender to the multicast address(es) (receiver). For outgoing RTP multicasts, all other existing calls on the phone will be placed on hold.
User Guide for the SIP-T21P IP Phone 108 To configure multicast listening addresses via web user interface: 1. Click on Directory->MulticastIP. 2. Select the desired value from the pull-down list of Paging Barge. 3. Select the desired value from the pull-down list of Paging Priority Active. 4. Enter the multicast IP address(es) and port number (e.g., 224.5.6.20:10008) which the phone listens for incoming RTP multicast in the Listening Address field. The valid multicast IP addresses range from 224.0.0.0 to 239.255.255.255. 5. Enter the label in the Label field.  Label will appear on the LCD screen when receiving the RTP multicast. 6. Click Confirm to accept the change. Note Music on hold (MoH) is the business practice of playing recorded music to fill the silence that would be heard by the party placed on hold. To use this feature, you should specify a SIP URI pointing to a MoH server account. When a call is placed on hold, the phone will send a SIP INVITE message to the MoH server account. The MoH server account automatically answers to the SIP INVITE messages and immediately plays audio from some source located anywhere (LAN, Internet) to the held party. Contact your system administrator for the SIP URI.    The priorities of listening addresses are predefined: 1 with the highest priority, 10 with the lowest. Both the multicast paging sender and the receiver play a warning tone when pressing the multicast paging key. Multicast listening addresses is configurable via web user interface only.
Advanced Phone Features 109 To configure MoH server via web user interface: 1. Click on Account. 2. Select the desired account from the pull-down list of Account. 3. Click on Advanced. 4. Enter the SIP URI (e.g., sip:moh@sip.com) in the Music Server URI field. 5. Click Confirm to accept the change. When you have placed a call on hold, the held party can hear the music. Note ACD is often used in offices for customer service, such as call center. The ACD system handles large volumes of incoming calls from callers who have no need to talk to a specific person but who require assistance from any of multiple persons at the earliest opportunity. ACD on the SIP-T21P IP phone allows the ACD system to distribute large volumes of incoming calls to the registered ACD users. To use this feature, you should configure an ACD key in advance. Note All involved parties cannot use encrypted RTP (SRTP). MoH server is configurable via web user interface only. Make sure ACD is enabled on your IP phone. For more information on enabling ACD, contact your system administrator.
User Guide for the SIP-T21P IP Phone 110 To configure an ACD key via phone user interface: 1. Press Menu->Features->DSS Keys. 2. Select the desired DSS key. 3. Press     or     , or the Switch soft key to select ACD from the Type field.  4. Press the Save soft key to accept the change or the Back soft key to cancel. ACD key is configurable via web user interface at the path DSSKey->Line Key. To log into the ACD system: 1. Press the ACD key when the phone is idle. The LCD screen prompts you the following information: User ID: the identity used to log into the queue. Password: the password used to log into the queue.  2. Press the Login soft key to login. Note After configuring an ACD key, you can press the ACD key to log into the ACD system. After logging in, you are ready to receive calls from the ACD system. You can press the ACD key to show your current ACD user status. You can press the Available/Unavailable soft key to change your ACD user status. ACD user status synchronizes on both IP phone and ACD system. When you set the ACD user status to be available, the ACD key LED illuminates solid green, and then the server begins distributing calls to your phone. When you set the phone to be unavailable, the ACD key LED flashes green, and then the server temporarily stops distributing calls to your phone. To log out of the ACD system, press the Logout soft key. Note It is recommended you configure no more than one ACD key per phone. At any time, at most one ACD key can be in progress on your phone. Contact your system administrator for the User ID and Password to access the ACD system.
Advanced Phone Features 111 You can send and receive text messages using the SIP-T21P IP phone. New text messages can be indicated both acoustically and visually. When receiving a new text message, the phone will play a warning tone. The LCD screen will prompt receiving new text messages with the number of waiting messages (e.g., 1 New Text Message(s)) and a flashing icon.  Note To read a text message: 1. Press Menu->Messages->Text Message->Inbox.  2. Select the desired message and press the View soft key. Note To send a text message: 1. Press Menu->Messages->Text Message->New Message.    SMS is not available on all servers. Contact your system administrator for more information. If the phone prompts receiving new text messages, you can also press the View soft key to read the new messages directly.
User Guide for the SIP-T21P IP Phone 112 2. Compose the new text message. You can press the abc soft key to change the input mode.  3. Press the Send soft key after completing the content. 4. (Optional.) Press     or     , or the Switch soft key to select the desired account from the From field. 5. Enter the number you want to send the message to in the To field. 6. Press the Send soft key to send the message or the Back soft key to cancel. Sending a text message is configurable via web user interface at the path Features>SMS. To reply a text message: 1. Press Menu->Messages->Text Message->Inbox. 2. Select the desired message and press the Reply soft key.  3. Compose the new text message. You can press the abc soft key to change the input mode. 4. Press the Send soft key after completing the content. To delete a text message: 1. Press Menu->Messages->Text Message->Inbox (sentbox, Outbox or Draftbox). 2. Select the desired message and then press the Delete soft key.  3. Select Delete to delete the desired message.
Advanced Phone Features 113 The LCD screen prompts  Delete Message? .  4. Press the Ok soft key to delete this message or the Cancel soft key to cancel. You can also delete all text messages by pressing the Delete soft key and then select Del All. For more information, refer to the above steps. Note You can leave voice mails for someone else on the SIP-T21P IP phone. You can also listen to the voice mails stored in a centralized location. When receiving a new voice mail, the phone will play a warning tone and the MESSAGE key LED will illuminate. The LCD screen will display a prompt message and flashing icon.  Note To leave a voice mail: You can leave a voice mail for someone else when he/she is busy or inconvenient to answer the call. Follow the voice prompt from the system server to leave a voice mail, and then hang up.    You can also delete a specific message after retrieving by pressing the Delete soft key. Voice mail is not available on all servers. Contact your system administrator for more information.
User Guide for the SIP-T21P IP Phone 114 To configure voice mail access codes via phone user interface: 1. Press Menu->Messages->Voice Mail->Set Voice Mail.  2. Press     or     to select the account which you want to set, press the 123 soft key to select the proper input mode and then enter the voice mail access code. 3. Press the Save soft key to accept the change or the Back soft key to cancel. Note To listen to voice mails: 1. When the phone user interface prompts receiving new voice mails, press      or the Conn soft key to dial out the voice mail access code. 2. Follow the voice prompt to listen to voice mails. Note To view the voice mail via phone user interface: 1. Press Menu->Messages->Voice Mail->View Voice Mail. The LCD screen displays the amount of new and old voice mails.  2. Select an account and then press the Conn soft key to listen to the voice mails. The SIP-T21P IP phone supports MWI when receiving a new voice message. If someone leaves you a voice mail, you will receive a message waiting indicator. MWI will be Voice mail access code must be predefined on the system server. Contact your system administrator for the more information. Before listening to voice mails, make sure the voice mail access code has been configured. When all new voice mails are retrieved, the MESSAGE key LED will go out.
Advanced Phone Features 115 indicated in three ways: a warning tone, a prompt message (including a voice mail icon) on the LCD screen, and the MESSAGE key LED illuminates solid green. This will be cleared when you retrieve all voice mails or delete them. The MWI service is unsolicited for some servers, so the SIP-T21P IP phone only handles the MWI messages sent from the server. But for other servers, the MWI service is solicited, so the SIP-T21P IP phone must enable subscription for MWI. Note The MWI Subscription parameters you need to know: Option  Description Subscribe for MWI  Enable or disable a subscription for MWI service. MWI Subscription Period Period of MWI subscription. The IP phone sends a refresh SUBSCRIBE request before initial SUBSCRIBE expiration. Subscribe MWI to Voice Mail Enable or disable a subscription to the voice mail number for MWI service.  To use this feature, you should configure subscribe for MWI and the voice mail number in advance. Note To configure subscribe for MWI via web user interface: 1. Click on Account. 2. Select the desired account from the pull-down list of Account. 3. Click on Advanced. 4. Select Enabled from the pull-down list of Subscribe for MWI field.    MWI service is not available on all servers. Contact your system administrator for more information. Whether the phone sends SUBSCRIBE messages for MWI service to the account or the voice mail number depends on the server. Contact your system administrator for more information.
User Guide for the SIP-T21P IP Phone 116 5. Enter the period time in the MWI Subscription Period (Seconds) field.  6. Click Confirm to accept the change. The IP phone will subscribe to the account number for MWI service by default. To enable Subscribe MWI to Voice Mail via web user interface: 1. Click on Account. 2. Select the desired account from the pull-down list of Account. 3. Click on Advanced. 4. Select Enabled from the pull-down list of Subscribe MWI To Voice Mail. 5. Enter the desired voice mail number in the Voice Mail field.
Advanced Phone Features 117 6. Click Confirm to accept the change.  The IP phone will subscribe to the voice mail number for MWI service using Subscribe MWI to Voice Mail. Note        MWI subscription is configurable via web user interface only.
User Guide for the SIP-T21P IP Phone 118
Troubleshooting 119 This chapter provides general troubleshooting information to help to solve the problems you might encounter when using your SIP-T21P IP phone. If you require additional information or assistance with your new phone, contact your system administrator. Why is the LCD screen blank?  Ensure that the phone is properly plugged into a functional AC outlet.  Ensure that the phone is plugged into a socket controlled by a switch that is on.  If the phone is plugged into a power strip, try plugging it directly into a wall outlet instead.  If the phone is powered from PoE, ensure you use a PoE-compliant switch or hub. Why does the phone display  Unavailable ?  Ensure that the Ethernet cable is plugged into the Internet port on the phone and the Ethernet cable is not loose.  Ensure that the switch or hub in your network is operational.  Contact your system administrator for more information. Why does the phone display  No  ? The LCD screen displays  No Service when no SIP account registers successfully. Why doesn t the phone display time and date correctly? Check if you have configured the phone to obtain the time and date from the SNTP server automatically. If the phone fails to connect the SNTP server, configure the time and date manually. How do I find the basic information of the phone? Press the OK key when the phone is idle to check the basic information of the phone, such as the IP address and firmware version. For more the basic information, refer to Phone Status on page 13.
User Guide for the SIP-T21P IP Phone 120 How to obtain the MAC address of a phone when the phone is not powered on? Three ways you can obtain the MAC address of a phone:  You can ask your supplier for shipping information sheet which includes MAC addresses according to the corresponding PO (Purchase Order).  You can find the MAC address in the label of carton box.  You can find the MAC address from  on the back of the phone. Why can t I get a dial tone?  Check for any loose connections and that the phone has been installed properly. For the installation instructions, refer to Phone Installation on page 11.  Switch between the Handset, Headset (if present) and Hands-Free Speakerphone to check whether the dial tone is present for one of the audio modes. If the dial tone exists on another audio mode, connect a different handset or headset to isolate the problem. Why doesn t the phone ring? Check that the ringer volume on the phone. To adjust the ringer volume setting, press the Volume key when the phone is idle. For more information, refer to Volume on page 24. Why can t I receive calls?  Check that the SIP registration with your system administrator.  Check that DND (Do Not Disturb) feature is disabled on the phone. Refer to Do Not Disturb (DND) on page 75.  Check that call forward is disabled on the phone. Refer to Call Forward on page 78.  Check whether the caller number is stored in the blacklist. Refer to Blacklist on page 38. Why is my handset not working? Check that the handset cord is fully connected to both the handset jack on the phone and handset. Refer to Phone Installation on page 11. Why is my headset not working?  Check that the headset cord is fully connected to the headset jack on the phone. Refer to Phone Installation on page 11.  Check that the headset mode is activated. Refer to Headset Mode Activation/Deactivation on page 45.
Troubleshooting 121  Check that the headset volume is adjusted to an appropriate level. Refer to Volume on page 24. What is the difference between user name, register name and display name? Both user name and register name are defined by the server. A user name is used to identify the account while a register name matched with a password is used for authentication if the server requires. Display name is the caller ID that will be displayed on  LCD screen. Server configurations may override local configurations. Why does the phone play a tone when there is a call on hold? How to disable it? When there is a call on hold, the phone will play a hold tone every 30 seconds. Play hold tone is enabled by default. Play hold tone and play hold tone delay are configurable via web user interface only. To configure play hold tone and play hold tone delay via web user interface: 1. Click on Features->General Information. 2. Select the desired value from the pull-down list of Play Hold Tone. 3. Enter the desired time (in seconds) in the Play Hold Tone Delay field.  4. Click Confirm to accept the change.
User Guide for the SIP-T21P IP Phone 122 Why can t I send a SMS to any other phone? SMS depends on support from a SIP server. Contact your system administrator for more information. How to change the user password? To change the user password via web user interface: 1. Click on Security->Password. 2. Select user from the pull-down list of User Type. 3. Enter the new user password in the New Password field and Confirm Password field.  4. Click Confirm to accept the change. Note How to make a call using SRTP? You can enable SRTP to encrypt the audio stream(s) of phone calls. The parties participating in the call should enable SRTP. You can enable SRTP on a per-line basis. To enable SRTP via web user interface: 1. Click on Account. 2. Select the desired account from the pull-down list of Account. 3. Click on Advanced.    If logging into the web user interface of the phone with the user credential, you need to enter the current user password in the Old Password field. User password is configurable via web user interface only.
Troubleshooting 123 4. Select the desired value from the pull-down list of RTP Encryption (SRTP).  5. Click Confirm to accept the change. Note How to reboot the phone? To reboot the phone via web user interface: 1. Click on Settings->Upgrade.    SRTP is not available on all servers. Contact your system administrator for more information. SRTP is configurable via web user interface only.
User Guide for the SIP-T21P IP Phone 124 2. Click Reboot to reboot the phone.  Note How to export PCAP trace? We may need you to provide a PCAP trace to help analyze your problem. To export a PCAP trace via web user interface: 1. Click on Settings->Upgrade. 2. Click Start to start recording signal traffic. 3. Recreate the error to be documented in the trace. 4. Click Stop to stop recording. 5. Click Export to open file download window, and then save the file to your local system.     You can also long press the X key to reboot the phone directly. Any reboot of the phone may take a few minutes.
Troubleshooting 125 How to export system log? We may need you to provide debug log information to help analyze problem. By default, you can export the debug system log information to local PC. To export the system log to local PC via web user interface: 1. Click on Upgrade->Advanced. 2. Select 6 from the pull-down list of System Log Level. The default system log level is 3. 3. Click Confirm to accept the change. The web user interface prompts  Do you want to restart your machine? . The configuration will take effect after reboot. 4. Click OK to reboot the phone. After the IP phone finishes reboot, the system log level is set as 6, the debug level. 5. Mark the Local radio box in the Export System Log field.  6. Click Export to open file download window, and then save the file to your local system. You can also export the system log to a syslog server. Contact your system administrator for more information. How to export/import phone configurations? We may need you to provide the phone configurations to help analyze your problem. In some instance, you may need to import configurations to the phone. To export the phone configurations via web user interface: 1. Click on Settings->Configuration.
User Guide for the SIP-T21P IP Phone 126 2. Click Export to open file download window, and then save the file to your local system.  To import the phone configurations via web user interface: 1. Click on Settings->Configuration. 2. Click Browse to locate a configuration file from your local system.  3. Click Import to import the configuration file. Note How to upgrade firmware? To upgrade firmware via web user interface: 1. Click on Settings->Upgrade.    The file format of configuration file must be *.bin.
Troubleshooting 127 2. Click Browse to locate the firmware from your local system. 3. Click Upgrade to upgrade the firmware. The web user interface prompts  SIP Phone will be updated. It will take 5 minutes to complete.  . 4. Click OK to confirm upgrading. How to reset the phone? Reset the phone when other troubleshooting suggestions do not correct the problem. You need to note that all customized settings will be overwritten after resetting. We recommend asking your system administrator for advice before resetting the phone. To reset the phone via phone user interface: 1. Press Menu->Settings->Advanced Settings (password: admin). 2. Press     or     to scroll to Reset To Factory, and then press the Enter soft key. The LCD screen prompts  Reset to factory settings? .
User Guide for the SIP-T21P IP Phone 128 3. Press the Ok soft key. The LCD screen prompts  Resetting Please Wait! .  The LCD screen prompts  Welcom Initializing please wait .  The phone will be reset to factory sucessfully after startup. Note     Reset of your phone may take a few minutes. Do not power off until the phone starts up successfully.
Regulatory Notices 129 Contact your Yealink Authorized Reseller for information about service agreements applicable to your product. TO THE FULL EXTENT ALLOWED BY LAW, YEALINK EXCLUDES FOR ITSELF AND ITS SUPPLIERS ANY LIABILITY, WHETHER BASED IN CONTRACT OR TORT (INCLUDING NEGLIGENCE), FOR INCIDENTAL, CONSEQUENTIAL, INDIRECT, SPECIAL, OR PUNITIVE DAMAGES OF ANY KIND, OR FOR LOSS OF REVENUE OR PROFITS, LOSS OF BUSINESS, LOSS OF INFORMATION OR DATA, OR OTHER FINANCIAL LOSS ARISING OUT OF OR IN CONNECTION WITH THE SALE, INSTALLATION, MAINTENANCE, USE, PERFORMANCE, FAILURE, OR INTERRUPTION OF ITS PRODUCTS, EVEN IF YEALINK OR ITS AUTHORIZED RESELLER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH AMAGES, AND LIMITS ITS LIABILITY TO REPAIR, REPLACEMENT, OR REFUND OF THE PURCHASE RICE PAID, AT  AFFECTED IF ANY REMEDY PROVIDED HEREIN SHALL FAIL OF ITS ESSENTIAL PURPOSE. Save these instructions. Read these safety instructions before use! The following basic safety precautions should always be followed to reduce risk of fire, electrical shock, and other personal injury.  General Requirements  Before you install and use the device, read the safety instructions carefully and observe the situation during operation.  During the process of storage, transportation, and operation, please always keep the device dry and clean.  During the process of storage, transportation, and operation, please avoid collision and crash of the device.  Please attempt not to dismantle the device by yourself. In case of any discrepancy, please contact the appointed maintenance center for repair.  Without prior written consent, no organization or individual is permitted to make any change to the structure or the safety design of the device. Yealink is under no circumstance liable to consequences or legal issues caused by such changes.  Please refer to the relevant laws and statutes while using the device. Legal rights of others should be respected as well.  Environmental Requirements  Place the device at a well-ventilated place. Do not expose the device under direct sunlight.  Keep the device dry and free of dusts.  Place the device on a stable and level platform.
User Guide for the SIP-T21P IP Phone 130  Please place no heavy objects on the device in case of damage and deformation caused by the heavy load.  Keep at least 10 cm between the device and the closest object for heat dissipation.  Do not place the device on or near any inflammable or fire-vulnerable object, such as rubber-made materials.  Keep the device away from any heat source or bare fire, such as a candle or an electric heater.  Keep the device away from any household appliance with strong magnetic field or electromagnetic field, such as a microwave oven or a refrigerator.  Operating Requirements  Do not let a child operate the device without guidance.  Do not let a child play with the device or any accessory in case of accidental swallowing.  Please use the accessories provided or authorized by the manufacturer only.  The power supply of the device shall meet the requirements of the input voltage of the device. Please use the provided surge protection power socket only.  Before plugging or unplugging any cable, make sure that your hands are completely dry.  Do not spill liquid of any kind on the product or use the equipment near water, for example, near a bathtub, washbowl, kitchen sink, wet basement or near a swimming pool.  Do not tread on, pull, or over-bend any cable in case of malfunction of the device.  During a thunderstorm, stop using the device and disconnect it from the power supply. Unplug the power plug and the Asymmetric Digital Subscriber Line (ADSL) twisted pair (the radio frequency cable) to avoid lightning strike.  If the device is left unused for a rather long time, disconnect it from the power supply and unplug the power plug.  When there is smoke emitted from the device, or some abnormal noise or smell, disconnect the device from the power supply, and unplug the power plug immediately. Contact the specified maintenance center for repair.  Do not insert any object into equipment slots that is not part of the product or auxiliary product.  Before connecting a cable, connect the grounding cable of the device first. Do not disconnect the grounding cable until you disconnect all other cables. Cleaning Requirements  Before cleaning the device, stop using it and disconnect it from the power supply.  Use a piece of soft, dry and anti-static cloth to clean the device.  Keep the power plug clean and dry. Using a dirty or wet power plug may lead to electric shock or other perils.
Appendix A-Time Zones 131 Time Zone  Time Zone Name 11:00  Samoa 10:00  United States-Hawaii-Aleutian  10:00  United States-Alaska-Aleutian 09:00  United States-Alaska Time 08:00  Canada(Vancouver, Whitehorse) 08:00  Mexico(Tijuana, Mexicali) 08:00  United States-Pacific Time 07:00  Canada(Edmonton, Calgary) 07:00  Mexico(Mazatlan, Chihuahua) 07:00  United States-Mountain Time 07:00  United States-MST no DST 06:00  Canada-Manitoba(Winnipeg) 06:00  Chile(Easter Islands) 06:00  Mexico(Mexico City, Acapulco) 06:00  United States-Central Time 05:00  Bahamas(Nassau) 05:00 Canada(Montreal, Ottawa, Quebec) 05:00 Cuba(Havana) 05:00 United States-Eastern Time 04:30  Venezuela(Caracas) 04:00  Canada(Halifax, Saint John) 04:00  Chile(Santiago)  04:00  Paraguay(Asuncion) 04:00  United Kingdom-Bermuda(Bermuda) 04:00  United Kingdom(Falkland Islands) 04:00  Trinidad&Tobago 03:30  Canada-New Foundland(St.Johns) 03:00  Denmark-Greenland(Nuuk) 03:00  Argentina(Buenos Aires) 03:00  Brazil(no DST) 03:00  Brazil(DST) 02:00  Brazil(no DST) 01:00  Portugal(Azores)  0  GMT 0  Greenland 0  Denmark-Faroe Islands(Torshavn) 0  Ireland(Dublin) 0  Portugal(Lisboa, Porto, Funchal) 0  Spain-Canary Islands(Las Palmas)  0  United Kingdom(London) 0  Morocco +01:00  Albania(Tirane) +01:00  Austria(Vienna) +01:00 Belgium(Brussels) +01:00 Caicos +01:00 Chad +01:00  Croatia(Zagreb) +01:00  Czech Republic(Prague) +01:00  Denmark(Kopenhagen) +01:00  France(Paris) +01:00  Germany(Berlin)
User Guide for the SIP-T21P IP Phone 132 Time Zone  Time Zone Name +01:00  Hungary(Budapest) +01:00  Italy(Rome) +01:00  Luxembourg(Luxembourg) +01:00  Macedonia(Skopje) +01:00  Netherlands(Amsterdam) +01:00  Namibia(Windhoek) +02:00  Estonia(Tallinn) +02:00  Finland(Helsinki) +02:00  Gaza Strip(Gaza) +02:00  Greece(Athens) +02:00  Israel(Tel Aviv) +02:00 Jordan(Amman) +02:00 Latvia(Riga) +02:00 Lebanon(Beirut) +02:00 Moldova(Kishinev) +02:00  Russia(Kaliningrad) +02:00 Romania(Bucharest) +02:00 Syria(Damascus) +02:00  Turkey(Ankara) +02:00  Ukraine(Kyiv, Odessa) +02:00  Syria(Damascus) +03:00  East Africa Time +03:00  Iraq(Baghdad) +03:00  Russia(Moscow) +03:30  Iran(Teheran) +04:00  Armenia(Yerevan) +04:00  Azerbaijan(Baku) +04:00  Georgia(Tbilisi) +04:00  Kazakhstan(Aktau) +04:00  Russia(Samara) +04:30  Afghanistan +05:00  Kazakhstan(Aqtobe)  +05:00  Kyrgyzstan(Bishkek) +05:00  Pakistan(Islamabad) +05:00  Russia(Chelyabinsk) +05:30  India(Calcutta) +06:00  Kazakhstan(Astana, Almaty) +06:00  Russia(Novosibirsk, Omsk) +07:00 Russia(Krasnoyarsk) +07:00 Thailand(Bangkok) +08:00 China(Beijing)  +08:00 Singapore(Singapore) +08:00 Australia(Perth) +09:00  Korea(Seoul) +09:00 Japan(Tokyo)  +09:30  Australia(Adelaide) +09:30  Australia(Darwin) +10:00  Australia(Sydney, Melbourne, Canberra) +10:00  Australia(Brisbane) +10:00  Australia(Hobart) +10:00  Russia(Vladivostok) +10:30  Australia(Lord Howe Islands) +11:00  New Caledonia(Noumea) +12:00  New Zealand(Wellington, Auckland)  +12:45  New Zealand(Chatham Islands) +13:00  Tonga(Nukualofa)
Index 133 A About This Guide   v Account Management   54 Account Registration   54  Adding Contacts   31 Adding Groups   29 Administrator password   20 Anonymous Call   95 Anonymous Call Rejection   96 Answering Calls   67 Area Code   59 Attaching Stand   11 Audio Settings   24 Auto Answer   70 Auto Redial   71 Automatic Call Distribution (ACD)   109 B Basic Network Settings   14 Blacklist   38 Block Out   60 Busy Lamp Field (BLF)   97 C Call Completion    72 Call Forward   78 Call History Management   42 Call Hold/Resume    74 Call Mute   73 Call Park   89 Call Pickup   90 Call Recording   99 Call Return   73 Call Transfer   84 Call Waiting    86 CE Mark Warning   ii Conference   86 Contact Management   27 Contrast   17 Copyright   ii Customizing Your Phone   17 D Declaration of Conformity   ii Deleting Contacts   33 Deleting Groups   30 Dial-now   57 Dial Plan   55 Directory    27        Do Not Disturb (DND)   75 Documentations   8 DSS Keys   46 E Editing Contacts   33 Editing Groups   29 Emergency Number   61 Ending Calls   68 G General Settings   17 Getting Started   9 HHardware Component Instructions   1 Headset Mode Activation/Deactivation  45 Headset Prior   45 Headset Use   45 Hot Desking   101 Hotline   63 I Icon Instructions   3 Idle screen   16 Importing/Exporting Contact lists   37 In This Guide   v Incoming Intercom Calls   103 Intercom   103 K Key as Send   21 Keypad Lock   21 L Language   18 LED Instructions   4 Limitation of Liability   129 Line Keys   46 Live Dialpad   62 Local Conference   87 Local Directory   28 Logo Customization   44 M Messages   111
User Guide for the SIP-T21P IP Phone 134 Message Waiting Indicator   114 Multicast Paging   105 Music on Hold   108 N Network Conference   87 Network Connection   11 No answer Forward   78 O Outgoing Intercom Calls   103 Overview   1 P Packaging Contents   9 Phone Initialization   13 Phone Installation   11 Phone Status   13 Phone User Interface   5 Placing Calls   65 Placing Calls to Contacts   34 Programmable Keys   53 R Receiving RTP Stream   107 Recent Call In Dialing   69 Redialing Numbers   69 Registration   16 Regulatory Notices   129 Remote Phone Book   40 Replace Rule   56 Ring Tones   25 S Safety Instructions   129 Search Source List in Dialing   35 Searching for Contacts   35 Semi-attended Transfer   84 Sending RTP Stream   105 Service Agreements   129 Short Message Service (SMS)   111 System Customizations   44 T Time and Date   19 Time Zones   131 Troubleshooting   119 V Voice Mail   113 Volume   24 W Warranty   ii Web User Interface   5 WEEE Warning   iii

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