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Grandstream Networks, Inc.

Analog IP Gateway GXW40XX

4, 8 or 24 FXS Ports

Grandstream Networks, Inc. GXW40XX User Manual Page 2 of 39

Firmware 1.0.4.2 Last Updated: 06/2011

TABLE OF CONTENTS

GXW40XX User Manual

WELCOME.................................................................................................................................................... 4

GATEWAY GXW40XX OVERVIEW .............................................................................................................. 4

SAFETY COMPLIANCE ................................................................................................................................ 4

WARRANTY ............................................................................................................................................... 4

CONNECT YOUR GXW40XX GATEWAY ................................................................................................... 5

EQUIPMENT PACKAGING .............................................................................................................................................. 5

CONNECT THE GXW40XX .......................................................................................................................................... 5

FIGURE 1: DIAGRAM OF GXW4004-8 AND GXW4024 BACK PANEL .......................................................................... 5

FIGURE 2: DIAGRAM OF GXW4004-8 AND GXW4024 DISPLAY PANEL ..................................................................... 6

GXW40XX FEATURES ................................................................................................................................ 8

SOFTWARE FEATURES OVERVIEW ............................................................................................................................... 8

HARDWARE SPECIFICATION ....................................................................................................................................... 10

BASIC OPERATIONS ................................................................................................................................ 11

UNDERSTANDING GXW VOICE PROMPTS .................................................................................................................. 11

PLACING A PHONE CALL ............................................................................................................................................ 12

PHONE OR EXTENSION NUMBERS ............................................................................................................ 12

DIRECT IP CALLS .................................................................................................................................... 12

CALL HOLD ................................................................................................................................................................ 13

CALL WAITING .......................................................................................................................................................... 13

CALL TRANSFER ........................................................................................................................................................ 13

BLIND TRANSFER ............................................................................................................................... 13

ATTENDED TRANSFER ...................................................................................................................... 13

3-WAY CONFERENCING ............................................................................................................................................. 14

HUNTING GROUP ....................................................................................................................................................... 14

INTER-PORT CALLING ................................................................................................................................................ 15

PSTN PASS THROUGH/LIFE LINE .............................................................................................................................. 16

SENDING AND RECEIVING FAX................................................................................................................................... 16

SUPPORT RADIUS PROTOCOL ................................................................................................................................... 16

CALL FEATURES ...................................................................................................................................... 17

CONFIGURATION GUIDE ......................................................................................................................... 18

CONFIGURING GXW40XX VIA VOICE PROMPT ........................................................................................................ 18

CONFIGURING GXW40XX WITH WEB BROWSER ................................................................................................. 18

ACCESS THE WEB CONFIGURATION MENU ............................................................................................. 18

IMPORTANT SETTINGS ................................................................................................................................................ 19

NAT SETTINGS ..................................................................................................................................... 19

DTMF METHODS .................................................................................................................................. 19

PREFERRED VOCODER (CODEC) ........................................................................................................ 20

SAVING THE CONFIGURATION CHANGES ................................................................................................................... 35

REBOOTING FROM REMOTE ........................................................................................................................................ 35

CONFIGURATION THROUGH A CENTRAL SERVER ....................................................................................................... 35

SOFTWARE UPGRADE ............................................................................................................................. 36

CONFIGURATION FILE DOWNLOAD ............................................................................................................................ 37

FIRMWARE AND CONFIGURATION FILE PREFIX AND POSTFIX .................................................................................... 37

MANAGING FIRMWARE AND CONFIGURATION FILE DOWNLOAD ............................................................................... 37

RESTORE FACTORY DEFAULT SETTING .............................................................................................. 38

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TABLE OF FIGURES

GXW40XX User Manual

Figure 1: Diagram of GXW4004-8 and GXW4024 Back Panel ................................................................................... 5

Figure 2: Diagram of GXW4004-8 and GXW4024 Display Panel .............................................................................. 6

TABLE OF TABLES

GXW40XX User Manual

Table 1: Definitions of the GXW Connectors .............................................................................................................. 6

Table 2: Definitions of the GXW Display Panel .......................................................................................................... 7

Table 3: GXW40XX Software Features ....................................................................................................................... 8

Table 4: Hardware Specification of GXW40XX series gateways .............................................................................. 10

Table 5: Definitions of the GXW Voice Prompts ....................................................................................................... 11

Table 6: Call Features Table (Star Code) ................................................................................................................... 17

Table 7: Basic Settings ............................................................................................................................................... 20

Table 8: Status Page ................................................................................................................................................... 22

Table 9: Advanced Settings ......................................................................................................................................... 23

Table 10: FXS Ports Settings ...................................................................................................................................... 26

Table 11: Profile settings ............................................................................................................................................ 27

CONFIGURATION GUI INTERFACE EXAMPLES

GXW40XX User Manual

http://www.grandstream.com/products/gxw_series/gxw40xx/documents/gxw40xx_gui.zip

1. SCREENSHOT OF ADVANCED SETTINGS CONFIGURATION PAGE

2. SCREENSHOT OF BASIC SETTINGS CONFIGURATION PAGE

3. SCREENSHOT OF FXS PORTS CONFIGURATION LOGIN PAGE

4. SCREENSHOT OF PROFILE 1 CONFIGURATION PAGE

5. SCREENSHOT OF PROFILE 2 CONFIGURATION PAGE

6. SCREENSHOT OF STATUS PAGE

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Firmware 1.0.4.2 Last Updated: 06/2011

WELCOME

Thank you for purchasing the Grandstream GXW40XX Analog FXS IP Gateway. The GXW40XX offers

an easy to manage, easy to configure IP communications solution for any business with virtual and/or

branch locations. The GXW40XX supports popular voice codecs and is designed for full SIP compatibility

and interoperability with third party SIP providers, thus enabling you to fully leverage the benefits of VoIP

technology, integrate a traditional phone system into a VoIP network, and efficiently manage

communication costs.

This manual will help you learn how to operate and manage your GXW FXS Analog IP Gateway and

make the best use of its many upgraded features including simple and quick installation, multi-party

conferencing, and direct IP-IP Calling. This IP Analog Gateway is very easy to manage and scalable,

specifically designed to be an easy to use and affordable VoIP solution for the small – medium business

or enterprise.

Gateway GXW40XX Overview

The new GXW40XX series has a compact and quiet design (no fans) and offers superb audio quality, rich

feature functionality, strong security protection, and good manageability. It is auto-configurable, remotely

manageable and scalable.

The GXW40XX features 4,8 or 24-port FXS interface for analog telephones, dual 10M/100Mbps network

ports with integrated router, PSTN life line in case of power failure, and an RS232 serial port (except

GXW4024) for administration. In addition, it supports the option of 3 SIP Server profiles, caller ID for

various countries/regions, T.38 fax, flexible dialing plans, security protection (SIPS/TLS), comprehensive

voice codec including G.711 (a/u-law), G.723.1, G.726(16/24/32/48 bit rates), G.729A/B/E and iLBC.

Safety Compliance

The GXW40XX is compliant with various safety standards including FCC/CE. Its power adapter is

compliant with UL standard. Warning: use only the power adapter included in the GXW40XX package.

Use of alternative power adapter may permanently damage the unit.

Warranty

Grandstream has a reseller agreement with our reseller customers. End users should contact the

company from whom the product was purchased, for replacement, repair or refund.

If you purchased the product directly from Grandstream, contact your Grandstream Sales and Service

Representative for an RMA (Return Materials Authorization) number. Grandstream reserves the right to

change the warranty policy without prior notification.

Caution: Changes or modifications to this product not expressly approved by Grandstream, or operation

of this product in any way other than as detailed by this User Manual, could void your manufacturer

warranty.

• This document is contains links to Grandstream GUI Interfaces. Please download these examples

http://www.grandstream.com/products/gxw_series/gxw40xx/documents/gxw40xx_gui.zip for your

reference.

• This document is subject to change without notice. The latest electronic version of this user manual

is located at

http://www.grandstream.com/products/gxw_series/gxw40xx/documents/gxw40xx_usermanual_englis

h.pdf

Reproduction or transmittal of the entire or any part, in any form or by any means, electronic or print, for

any purpose without the express written permission of Grandstream Networks, Inc. is not permitted.

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CONNECT YOUR GXW40XX GATEWAY

Connecting the GXW40XX gateway is easy. Before you begin, please verify the contents of the

GXW40XX package.

EQUIPMENT PACKAGING

Unpack and check all accessories. Equipment includes:

• one device unit

• one RJ45 Ethernet cable

• one 12V universal power adapter

CONNECT THE GXW40XX

Follow these four (4) steps to connect your GXW40XX gateway to the Internet and access the unit’s

configuration pages.

1. Connect standard touch-tone analog phones to the FXS ports.

2. Insert an RJ45 Ethernet cable into the WAN port of GXW400X and connect the other end to an

uplink port (a router or a modem, etc.) Note: If the gateway is used in router mode, connect a PC

to the LAN port of GXW400X for initial configuration. In case of GXW4024, there is only one

Ethernet port.

3. Plug the power adapter into the GXW40XX gateway into a power outlet.

Follow the instructions from the topic “Configuring GXW 400X with Web Browser” for initial configuration.

The GUI pages will guide you through the remaining steps to set-up your gateway. Examples of the GUI

Interfaces can be downloaded from:

http://www.grandstream.com/products/gxw_series/gxw40xx/documents/gxw40xx_gui.zip.

FIGURE 1: DIAGRAM OF GXW4004-8 AND GXW4024 BACK PANEL

LAN/WAN

RJ-45 Ethernet

Ports

FXS

Ports

Console

Connection

(PC

connection)

GXW 400x

PSTN

Line

Power

Supply

Reset

GXW 4024

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LAN Port

TABLE 1: DEFINITIONS OF THE GXW CONNECTORS

LAN Connect the LAN port with an Ethernet cable to your PC.

WAN Connect to the internal LAN network or router.

RESET Factory Reset button. Press for 7 seconds to reset factory default settings.

DC 12V Power adapter connection

CONSOLE Console connection for a PC.

LINE When the unit loses power or unit became unregistered, FXS port 1 will be able to

make/receive calls from the PSTN line connected to this port.

FXS1 – FXS24 FXS port to be connected to analog phones / fax machines.

Once the GXW40xx is turned on and configured, the front display panel indicates the status of the unit.

FIGURE 2: DIAGRAM OF GXW4004-8 AND GXW4024 DISPLAY PANEL

TABLE 2: DEFINITIONS OF THE GXW DISPLAY PANEL

FXS port

status

GXW4008

Display

LEDs

Display LEDs FXS port status

GXW4024

50 PIN Telco

Connector

FXS

Ports

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Power LED Indicates Power. Remains ON when Power is connected and turned ON.

Ready LED Remains ON after boot-up.

Console Turns ON when Console port is being used.

LAN LED Indicates LAN (or WAN) port activity

WAN LED Indicates PC (or LAN) port activity

LED 1–24 Indicate status of the respective FXS Ports on the back panel

Busy - ON (Solid Green)

Available - OFF

Slow blinking FXS LEDs indicates Voice Mail for that port.

NOTE:

y All LED lights display green when ON.

y Slow blinking of READY, WAN and LAN LED together indicates a firmware upgrade or

provisioning state.

y LED POWER, READY and WAN lights are ON when device is up and running and successfully

registered to the SIP Server.

y Slow blinking of READY LED indicates that device has not registered with any SIP Service

provider.

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GXW40XX FEATURES

The GXW4000 series is a next generation IP voice gateway that is interoperable and compatible with

leading IP-PBXs, Softswitches and SIP platforms. The GXW4000 series FXS gateway is auto-

configurable, remotely manageable and scalable. The GXW4000 series gateways come in three models

- the GXW-4004,GXW-4008 and GXW4024, each offering superb voice quality, traditional telephony

functionality, easy deployment, and 4,8 and 24 FXS ports respectively. Each model features flexible

dialing plans, integrated call routing to support a pure IP network call and an external power supply.

SOFTWARE FEATURES OVERVIEW

• 4, 8 or 24 FXS ports

• Two RJ-45 ports (switched or routed) (one RJ-45 port in GXW4024)

• Multiple SIP accounts & profiles (4,8 or 24 accounts / choice of 3 profiles per account)

• Supports Voice Codecs:

G711(a/µ, Annex I & II), G723.1A, G726 (ADPCM with 16/24/32/40 bit rates), G729 A/B/E, iLBC

• T.38 Fax

• Comprehensive Dial Plan support for Outgoing calls.

• G.168 Echo Cancellation

• Voice Activation Detection (VAD), Comfort Noise Generation (CNG), and Packet Loss

Concealment (PLC)

• Supports PSTN/PBX analog telephone sets or analog trunks

TABLE 3: GXW40XX SOFTWARE FEATURES

GXW4004 GXW4008 GXW4024

Telephone Interfaces 4 FXS ports 8 FXS ports 24 FXS ports

SIP Provisioning 4 SIP accounts, 2 profiles 8 SIP accounts, 2 profiles 24 SIP accounts, 3 profiles

Network Interface Two (2) 10M/100 Mbps,

RJ-45 Two (2) 10M/100 Mbps, RJ-

45 One 10M/100 Mbps LAN,

RJ-45

Voice over Packet

Capabilities Voice Activity Detection

(VAD) with CNG (comfort

noise generation) and PLC

(packet loss concealment),

AEC with NLP Packetized

Voice Protocol Unit

(supports RTP/RTCP and

AAL2 protocol), G.168

compliant Echo

Cancellation, Dynamic

Jitter Buffer, Modem

detection & auto-switch to

G.711

Voice Activity Detection

(VAD) with CNG (comfort

noise generation) and PLC

(packet loss concealment),

AEC with NLP Packetized

Voice Protocol Unit

(supports RTP/RTCP and

AAL2 protocol), G.168

compliant Echo

Cancellation, Dynamic Jitter

Buffer, Modem detection &

auto-switch to G.711

Voice Activity Detection

(VAD) with CNG (comfort

noise generation) and PLC

(packet loss concealment),

AEC with NLP Packetized

Voice Protocol Unit

(supports RTP/RTCP)

G.168 compliant Echo

Cancellation, Adaptive

Jitter Buffer, Fax/Modem

detection & auto-switch to

G.711

PSTN Fail-over PSTN failover port on

power failure PSTN failover port on power

failure N/A

Voice Compression

G.711 + Annex I (PLC),

Annex II (VAD/CNG

format) encoder and

decoder, G.723.1A,

G.726(ADPCM with

16/24/32/40 bit rates),

G.729A/B/E, iLBC

G.711 + Annex I (PLC),

Annex II (VAD/CNG format)

encoder and decoder,

G.723.1A, G.726(ADPCM

with 16/24/32/40 bit rates),

G.729A/B/E, iLBC

G.726 provides proprietary

G.711 + Annex I (PLC),

Annex II (VAD/CNG

format) encoder and

decoder, G.723.1,

G.726(ADPCM with

16/24/32/40 bit rates),

G.729A/B/E, iLBC

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G.726 provides proprietary

VAD, CNG, and signal

power estimation, Voice

Play Out unit (reordering,

fixed and adaptive jitter

buffer, clock

synchronization), AGC

(automatic gain control),

Status output, Decoder

controlling via voice packet

header

VAD, CNG, and signal

power estimation, Voice

Play Out unit (reordering,

fixed and adaptive jitter

buffer, clock

synchronization), AGC

(automatic gain control),

Status output, Decoder

controlling via voice packet

header

G.726 provides proprietary

VAD, CNG, and signal

power estimation, Voice

Play Out unit (reordering,

fixed and adaptive jitter

buffer, clock

synchronization), AGC

(automatic gain control),

Status output, Decoder

controlling via voice packet

header

DHCP Server/Client Yes, NAT Router or

Switched Mode Yes, NAT Router or

Switched Mode Yes, DHCP Client only

Fax over IP T.38 compliant Group 3

Fax Relay up to 14.4kpbs

and auto-switch to G.711

for Fax Pass-through,

Fax Datapump V.17, V.19,

V.27ter, V.29 for T.38 fax

relay

T.38 compliant Group 3 Fax

Relay up to 14.4kpbs and

auto-switch to G.711 for Fax

Pass-through,

Fax Datapump V.17, V.19,

V.27ter, V.29 for T.38 fax

relay

T.38 compliant Group 3

Fax Relay up to 14.4kpbs

and auto-switch to G.711

for Fax Pass-through,

Fax Datapump V.17, V.19,

V.27ter, V.29 for T.38 fax

relay

QoS Diffserv, TOS, 802.1 P/Q

VLAN tagging Diffserv, TOS, 802.1 P/Q

VLAN tagging Diffserv, ToS, 802.1 P/Q

VLAN tagging

Transport Protocol RTP/RTCP RTP/RTCP RTP/RTCP

DTMF Method In-audio, RFC2833, and/or

SIP Info In-audio, RFC2833, and/or

SIP Info In-Audio, RFC2833, and/or

SIP Info

IP Signaling SIP (RFC 3261) SIP (RFC 3261) SIP (RFC 3261)

Provisioning TFTP, HTTP, HTTPS TFTP, HTTP, HTTPS TFTP, HTTP, HTTPS

Control TLS/SIPS TLS/SIPS TLS/SIPS

Management Syslog support, HTTP and

Telnet access Syslog support, HTTP and

Telnet access

Dial Plan Yes Yes Yes

UPnP Support Yes Yes N/A

Caller ID Bellcore Type 1 & 2, ETSI,

BT, NTT, and DTMF-based

CID

Bellcore Type 1 & 2, ETSI,

BT, NTT, and DTMF-based

CID

Bellcore Type 1 & 2, ETSI,

BT, NTT, and DTMF-based

CID

Polarity Reversal /

Wink Yes Yes Yes

EMC EN55022/EN55024 and

FCC part15 Class B EN55022/EN55024 and

FCC part15 Class B

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HARDWARE SPECIFICATION

The hardware specifications of the GXW FXS series are detailed in Table 4.

TABLE 4: HARDWARE SPECIFICATION OF GXW40XX SERIES GATEWAYS

GXW4004 GXW4008 GXW4024

Ports 4 FXS Ports 8 FXS Ports 24 FXS Ports

Network interface 1 RJ45 for LAN, 10/100

Base-TX, Full Duplex

1 RJ45 for

WAN,10/100Base-TX,

Full Duplex

1 RJ45 for LAN, 10/100

Base-TX, Full Duplex

1 RJ45 for

WAN,10/100Base-TX, Full

Duplex

1 RJ45 for LAN, 10/100 Base-

TX, Full Duplex

PSTN Port PSTN fail-over port PSTN fail-over port n/a

Console DB9 Serial port DB9 Serial port n/a

Universal

Switching

Power Adaptor

Input: 100-240V AC,

50/60Hz, 0.3A Max

Output: 12V DC, 1.25A

UL certified

Input: 100-240V AC,

50/60Hz, 0.3A Max

Output: 12V DC, 1.25A

UL certified

Input: 100-240V AC, 50/60Hz

Output: 12V DC, 3.0A, UL

certified

Short Haul Loop 2REN: Up to 1km on 24

AWG wire 2REN: Up to 1km on 24

AWG wire 2REN: Up to 1km on 24 AWG

wire

Mounting Wall mount, Desktop Wall mount, Desktop Rack, Wall mount

Dimension 225mm (L) x 135mm (W)

x 35mm (H) 225mm (L) x 135mm (W) x

35mm (H) 445mm (L) x 269mm (W) x

44.5mm (H), or 1U

Weight 0.29 lbs (3.5 oz) 0.29 lbs (3.5 oz) 6.3 lbs (2.8 kg)

Temperature 32~104°F / 0~40°C 32~104°F / 0~40°C 32~104°F / 0~40°C

Humidity 10% - 90% (non-

condensing) 10% - 90% (non-

condensing) 10% - 90% (non-condensing)

Safety UL UL UL

Compliance FCC, CE FCC, CE FCC, CE, C-Tick

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BASIC OPERATIONS

UNDERSTANDING GXW VOICE PROMPTS

GXW40XX has a built-in voice prompt menu for simple device configuration. To enter the voice prompt

menu, press *** on the standard analog phone connected to any FXS port.

TABLE 5: DEFINITIONS OF THE GXW VOICE PROMPTS

Menu Voice Prompt User’s Options

Main Menu “Enter a Menu Option” Enter “*” for the next menu option

Enter “#” to return to the main menu

Enter 01 – 05, 07,10 - 17, 47, 86 or 99 Menu option

01 “DHCP Mode”, “PPPoE

Mode ”or “Static IP Mode” Enter ‘9’ to toggle the selection

If user selects “Static IP Mode”, user need configure all the IP

address information through menu 02 to 05. If user selects

“Dynamic IP Mode”, the device will retrieve all IP address

information from DHCP server automatically when user reboots

the device.

02 “IP Address “ + IP address The current WAN IP address is announced

Enter 12-digit new IP address if in Static IP Mode.

03 “Subnet “ + IP address Same as Menu option 02

04 “Gateway “ + IP address Same as Menu option 02

05 “DNS Server “ + IP address Same as Menu option 02

07 Preferred Vocoder Enter “9” to go to the next selection in the list:

• PCM U

• PCM A

• iLBC

• G-726

• G-723

• G-729

10 “MAC Address” Announces the Mac address of the unit.

12 WAN Port Web Access Enter “9” to toggle between enabled and disabled

13 Firmware Server IP

Address Announces current Firmware Server IP address. Enter 12 digit

new IP address.

14 Configuration Server IP

Address Announces current Config Server Path IP address. Enter 12 digit

new IP address.

15 Upgrade Protocol Upgrade protocol for firmware and configuration update. Enter

“9” to toggle between TFTP and HTTP

16 Firmware Version Firmware version information.

17 Firmware Upgrade Firmware upgrade mode. Enter “9” to rotate among the following

three options:

1. always check

2. check when pre/suffix changes

3. never upgrade

47 “Direct IP Calling” Enter the target IP address to make a direct IP call, after dial

tone. (See “Make a Direct IP Call”.)

71-78 Phone calls between

different ports of the same

GW 400x

Applies to GXW4004/GXW4008. User can make internal calls

between different ports inside the same GW even without being

registered to SIP server. By dialing *** and 7x user can reach

colleague connected to port “x”.

701-724 Phone calls between

different ports of the same

GW4024

Applies to GXW4024. User can make internal calls between

different ports inside the same GW even without being registered

to SIP server. By dialing *** and 7xx user can reach colleague

connected to port “xx”.

86 Voice Mail Number of voice mails

99 “RESET” Enter “9” to reboot the device; or

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Enter MAC address to restore factory default setting

(See Restore Factory Default Setting section)

“Invalid Entry” Automatically returns to Main Menu

Five Success Tips when using the Voice Prompt

1. “*” shifts down to the next menu option

2. “#” returns to the main menu

3. “9” functions as the ENTER key in many cases to confirm an option

4. All entered digit sequences have known lengths - 2 digits for menu option and 12 digits for IP

address. For IP address, add 0 before the digits if the digits are less than 3 (i.e. - 192.168.0.26

should be key in like 192168000026. No decimal is needed).

5. Key entry can not be deleted but the phone may prompt error once it is detected

PLACING A PHONE CALL

PHONE OR EXTENSION NUMBERS

1. Dial the number directly and wait for 4 seconds (To change the default value, modify the following

setting - “No Key Entry Timeout”)

2. Dial the number directly and press # (Use # as dial key” must be configured in web configuration).

Examples:

1. Dial a number (e.g. (626) 666-7890), first enter the prefix number (usually 1+ or international

code) followed by the phone number. Press # or wait for 4 seconds. Check with your VoIP

service provider for further details on prefix numbers.

DIRECT IP CALLS

Direct IP calling allows two parties, that is, a FXS Port with an analog phone and another VoIP Device, to

talk to each other in an ad hoc fashion without a SIP proxy.

Elements necessary to completing a Direct IP Call:

1. Both GXW40XX and other VoIP Device, have public IP addresses, or

2. Both GXW40XX and other VoIP Device are on the same LAN using private IP addresses, or

3. Both GXW40XX and other VoIP Device can be connected through a router using public or private

IP addresses (with necessary port forwarding or DMZ).

GXW40XX supports two ways to make Direct IP Calling:

Using IVR

1. Pick up the analog phone then access the voice menu prompt by dial “***”

2. Dial “47” to access the direct IP call menu

3. Enter the IP address using format ex. 192*168*0*160 after the dial tone.

Using Star Code

1. Pick up the analog phone then dial “*47”

2. Enter the target IP address using same format as above.

Note: NO dial tone will be played between step 1 and 2.

Destination ports can be specified by using “*” (encoding for “:”) followed by the port number.

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Examples:

a) If the target IP address is 192.168.0.160, the dialing convention is

*47 or Voice Prompt with option 47, then 192*168*0*160.

followed by pressing the “#” key if it is configured as a send key or wait 4 seconds. In this case,

the default destination port 5060 is used if no port is specified.

b) If the target IP address/port is 192.168.1.20:5062, then the dialing convention would be:

*47 or Voice Prompt with option 47, then 192*168*0*160*5062 followed by pressing the “#” key

if it is configured as a send key or wait for 4 seconds.

NOTE: When completing direct IP call, the “Use Random Port” should set to “NO”. You can not make

direct IP calls between FXS ports since they are using same IP.

CALL HOLD

Place a call on hold by pressing the “flash” button on the analog phone (if the phone has that button).

Press the “flash” button again to release the previously held Caller and resume conversation. If no “flash”

button is available, use “hook flash” (toggle on-off hook quickly). You may drop a call using hook flash.

CALL WAITING

Call waiting tone (2 short beeps) indicates an incoming call, if the call waiting feature is enabled. Toggle

between incoming call and current call by pressing the “flash” button. First call is placed on hold. Press

the “flash” button to toggle between two active calls.

CALL TRANSFER

BLIND TRANSFER

Assume that call Caller A and B are in conversation. A wants to Blind Transfer B to C:

3. Caller A presses FLASH on the analog phone to hear the dial tone.

4. Caller A dials *87 then dials caller C’s number, and then # (or wait for 4 seconds).

5. Caller A will hear the confirm tone. Then, A can hang up.

NOTE: “Enable Call Feature” must be set to “Yes” in web configuration page.

Caller A can place a call on hold and wait for one of three situations:

1. A quick confirmation tone (similar to call waiting tone) followed by a dial tone. This indicates the

transfer is successful (transferee has received a 200 OK from transfer target). At this point,

Caller A can either hang up or make another call.

2. A quick busy tone followed by a restored call (on supported platforms only). This means the

transferee has received a 4xx response for the INVITE and we will try to recover the call. The

busy tone is just to indicate to the transferor that the transfer has failed.

3. Continuous busy tone. The phone has timed out. Note: continuous busy tone does not indicate

the transfer has been successful, nor does it indicate the transfer has failed. It often means there

was a failure to receive second NOTIFY – check firmware for most recent release.

ATTENDED TRANSFER

Assume that Caller A and B are in conversation. Caller A wants to Attend Transfer B to C:

1. Caller A presses FLASH on the analog phone for dial tone.

2. Caller A then dials Caller C’s number followed by # (or wait for 4 seconds).

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3. If Caller C answers the call, Caller A and Caller C are in conversation. Then A can hang up to

complete transfer.

4. If Caller C does not answer the call, Caller A can press “flash” to resume call with Caller B.

NOTE: When Attended Transfer fails and A hangs up, the GXW40XX will ring back user A to remind A

that B is still on the call. A can pick up the phone to resume conversation with B.

3-WAY CONFERENCING

The GXW40XX supports Bellcore style 3-way Conference.

Instructions for 3-way conference:

Assuming that call party A and B are in conversation. A (GXW40XX) wants to bring C in a conference:

1. A presses FLASH (on the analog phone, or Hook Flash for old model phones) to get a dial

tone.

2. A dials C’s number then # (or wait for 4 seconds).

3. If C answers the call, then A presses FLASH to bring B, C in the conference.

4. If C does not answer the call, A can press FLASH back to talk to B.

5. If A presses FLASH during conference, C will be dropped out.

6. If A hangs up, the conference will be terminated for all three parties when configuration

“Transfer on Conference Hangup” is set to “No”. If the configuration is set to “Yes”, A will

transfer B to C so that B and C can continue the conversation.

HUNTING GROUP

This feature allows the user to setup a single SIP account on the gateway and have the ability to use all

FXS ports to make/receive calls. Using this feature, all ports active in same Hunting Group will have the

same phone number and incoming calls will be distributed in a round robin manner among the ports

active in that Hunting Group. The number of hunting groups is limited by the number of ports each GXW

model has - i.e. each port can be its own Hunting Group. The most practical and efficient way to use

Hunting Groups is to assign 2 or 3 ports to separate Hunting Groups.

One additional and popular way to use the Hunting Group feature is called “multiplexed analog lines”. In

this configuration, a legacy PBX system with 8 FXO trunks can be connected to 8 GXW 4008 ports

configured as a Hunting Group. The GXW can be registered to a SIP server provider using only one

phone number. If the SIP service provider allows multiple calls to the same number, the GXW will allow 8

concurrent calls to the same SIP number. All office members can be reached remotely using the same

phone number in a round-robin fashion.

Example Configuration of a typical Hunting Group:

1. Configure the SIP account from your VoIP Service Provider on FXS port 1 under FXS Ports

webpage.

2. Select Active under the Hunting Group drop box for FXS port 1.

3. For the remaining ports (say 2, 3 and 4) select 1 for Hunting Group. Ports 2, 3 and 4 are now

active members of the hunting group associated with port 1.

This configuration will route all calls directed to FXS port 1 to ports 2, 3 and/or 4 in round robin fashion

respectively if port 1 is busy or times out. You can configure the ring timeout on the Profile page.

Example configuration of a multiple Hunting Group:

FXS Port #1: SIP UserID and Authenticate ID entered, Hunting group set to "Active"

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FXS Port #2: SIP UserID and Authenticate ID left blank, Hunting Group set to "1"

FXS Port #3: SIP UserID and Authenticate ID left blank, Hunting Group set to "1"

FXS Port #4: SIP UserID and Authenticate ID entered, Hunting group set to "Active"

FXS Port #5: SIP UserID and Authenticate ID left blank, Hunting Group set to "4"

FXS Port #6: SIP UserID and Authenticate ID left blank, Hunting Group set to "4"

FXS Port #7: SIP UserID and Authenticate ID entered, Hunting group set to "Active"

FXS Port #8: SIP UserID and Authenticate ID left blank, Hunting Group set to "7"

…

FXS Port #24: SIP UserID and Authenticate ID left blank, Hunting Group set to "2"

Hunting Group 1 contains ports 1, 2, 3. Hunting Group 4 contains ports 4, 5, 6.

Hunting Group 7 contains ports 7, 8.

Please be aware, the choice of 1 for ports 2 and 3, the choice of 4 for ports 5 and 6, the choice 7 for port

8 is required to indicate that the SIP account tied to port market as “Active” will be used for all members

of the same Hunting group. Needless to say, those members of the same Hunting group may not be

sequential ports. In following example ports 3, 5 and 7 tied to SIP Account configured in Port #1 marked

as “Active”, and ports 4,6,8 tied to SIP Account configured in Port #2 marked as “Active” as well.

Example of not sequential configuration of a multiple Hunting Group:

FXS Port #1: SIP UserID and Authenticate ID entered, Hunting group set to "Active"

FXS Port #2: SIP UserID and Authenticate ID entered, Hunting Group set to "Active"

FXS Port #3: SIP UserID and Authenticate ID left blank, Hunting Group set to "1"

FXS Port #4: SIP UserID and Authenticate ID left blank, Hunting group set to "2"

FXS Port #5: SIP UserID and Authenticate ID left blank, Hunting Group set to "1"

FXS Port #6: SIP UserID and Authenticate ID left blank, Hunting Group set to "2"

FXS Port #7: SIP UserID and Authenticate ID left blank, Hunting group set to "1"

FXS Port #8: SIP UserID and Authenticate ID left blank, Hunting Group set to "2"

…

FXS Port #24: SIP UserID and Authenticate ID left blank, Hunting Group set to "2"

Note: A single call directed to the SIP account will NOT result in all ports ringing at the same time. They

will ring in the hunting group only. This feature is applicable to incoming calls only.

INTER-PORT CALLING

In some cases a user may want to make phone calls between the phones connected to multiple ports of

the same gateway when it is used as a stand alone unit, without the use of a SIP server. This feature will

also be applicable when the gateway is used with Hunting Groups and is registered to SIP server only

with one master number. In such cases users still will be able to make inter-port calls by using the IVR

feature.

For example on the GX4004 and GXW4008 the user connected to port 1 can reach the user connected to

port 3 by dialing *** and 73. Digit 7 indicated using inter-port calling feature, digit 3 indicates the port

number which should be reached. At the same manner the user connected to port 4 can reach the user

connected to port 8 by dialing *** and 78.

On the GXW4024 inter-port calling is achieved by dialing *** and 7 plus two extra digits corresponding to

the port number. For example the user connected to port 1 can be reached by dialing *** and 701; the

user connected to port 24 can be reached by dialing *** 724.

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PSTN PASS THROUGH/LIFE LINE

This feature is only applicable to GXW4004 and GXW4008 models. The RJ-11 line jack on the

GXW400X side connected to a legacy PSTN line, functions as a pass through jack when the GXW400X

loses power or becomes unregistered. In this case, analog phone connected to FXS port 1 will be directly

connected to RJ-11 jack marked as LINE. The pass through/life line mode enables the user to use the

analog phone for PSTN calls directly without using an access code.

SENDING AND RECEIVING FAX

GXW40XX supports fax in two modes: 1) T.38 (Fax over IP) and 2) Fax Pass through. T.38 is the

preferred method because it is more reliable and works well in most network conditions. If the service

provider supports T.38, please use this method by selecting T.38 as fax mode (default). If the service

provider does not support T.38, pass-through mode may be used. If you have problems with sending or

receiving Fax, toggle the Fax Tone Detection Mode setting.

SUPPORT RADIUS PROTOCOL

GXW40XX supports RADIUS for authentication, authorization and billing purposes. Primary and

secondary RADIUS server configurations are available to provide redundancy to this feature. In case

Primary Radius server becomes unusable, RADIUS requests will be automatically sent to the secondary

server. When at least one RADUIS server was configured, the device will allow users to make phone calls

only after authorization from RADIUS server has been received. CDR (Call Detail Record) is also sent to

the RADIUS server for billing purposes. RAIDUS server can send requests to terminate calls when run

out of pre-paid credit.

The GXW400x will be able to work in VoIP billing environment using redundant double server

configuration. User will be able to configure primary and secondary RADUIS server IP Addresses or

FQDNs. Once at least one RADUIS server was configured, the device will allow users to make phone

calls only after permission from RADIUS server has been received. In case Primary Radius server

becomes unusable, secondary will take role of primary and will manage credit recourses in the network.

Imbedded RADIUS client also supports request generated by Radius server to terminate calls when run out of

pre-paid credit.

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CALL FEATURES

GXW40XX supports the traditional telephony features available in a PBX as well as additional advanced

telephony features.

TABLE 6: CALL FEATURES TABLE (STAR CODE)

Key Call Features

*02 Forcing a Codec (per call) *027110 (PCMU), *027111 (PCMA), *02723 (G723), *02729

(G729), *0272616 (G726-r16), *0272624 (G724-r24), *0272632 (G726-r32), *0272640 (G726-

r40), *027201 (iLBC)

*03 Disable LEC (pe call) Dial “*03” + ” number ”. No dial tone is played in the middle.

*16 Enable SRTP

*17 Disable SRTP

*30 Block CallerID (for all-config change)

*31 Send CallerID (for all-config change)

*67 Block CallerID (per call)

*82 Send CallerID (per call)

*47 Direct IP Calling. Dial “*47” + “IP address”. No dial tone will be played in the middle. Detail see

Direct IP Calling section on page 12.

*50 Disable Call Waiting (for all-config change)

*51 Enable Call Waiting (for all-config change)

*69 Call Return Service: Dial *69 and the phone will dial the last incoming phone number

received.

*70 Disable Call Waiting (Per Call)

*71 Enable Call Waiting (Per Call)

*72 Unconditional Call Forward: Dial “*72” and then the forwarding number followed by “#”. Wait

for dial tone and hang up. (dial tone indicates successful forward)

*73 Cancel Unconditional Call Forward: Dial “*73” and wait for dial tone, then hang up.

*74 Enable Paging Call: Dial “*74” and then the destination phone number you want to activate in

Paging mode.

*78 Enable Do Not Disturb (DND): When enabled all incoming calls will be rejected.

*79 Disable Do Not Disturb (DND): When disabled, incoming calls will be accepted.

*87 Blind Transfer

*90 Busy Call Forward: Dial “*90” and then the forwarding number followed by “#”. Wait for dial

tone then hang up.

*91 Cancel Busy Call Forward: dial “*91”. Wait for dial tone. Hang up.

*92 Delayed Call Forward: Dial “*92” and then the forwarding number followed by “#”. Wait for

dial tone then hang up.

*93 Cancel Delayed Call Forward: Dial “*93” for a dial tone, then hang up.

Flash/Hook If user hears call waiting beep, flash/hook will switch to the new incoming call. Also used to

switch to a new channel for a new call.

# Pressing pound sign will serve as Re-Dial key.

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CONFIGURATION GUIDE

CONFIGURING GXW40XX VIA VOICE PROMPT

DHCP MODE

Select voice menu option 01 to enable GXW40XX to use DHCP.

STATIC IP MODE

Select voice menu option 01 to enable GXW40XX to use STATIC IP mode, then use option 02, 03, 04, 05

to set up IP address, Subnet Mask, Gateway and DNS server respectively.

FIRMWARE SERVER IP ADDRESS

Select voice menu option 13 to configure the IP address of the firmware server.

CONFIGURATION SERVER IP ADDRESS

Select voice menu option 14 to configure the IP address of the configuration server.

UPGRADE PROTOCOL

Select voice menu option 15 to choose firmware and configuration upgrade protocol. User can choose

between TFTP and HTTP.

FIRMWARE UPGRADE MODE

Select voice menu option 17 to choose firmware upgrade mode among the following three options:

1) always check, 2) check when pre/suffix changes, and 3) never upgrade

WAN PORT WEB ACCESS (Note: This option is not present on GXW4024 gateway)

Select voice menu option 12 to enable WAN Port Wed Access of the device configuration pages.

CONFIGURING GXW40XX WITH WEB BROWSER

The GXW40XX series gateway has an embedded Web server that allows users to configure the

GXW40XX through a web browser.

ACCESS THE WEB CONFIGURATION MENU

The GXW40XX HTML configuration menu can be accessed via LAN or WAN port:

From the LAN port (For GXW4004/8 only)::

1. Directly connect a computer to the LAN port.

2. In Windows, open a ‘Command Prompt’ window

3. Type in “ipconfig /release”, the IP address etc. becomes 0.

4. Type in “ipconfig /renew”, the computer gets an IP address in 192.168.2.x segment by default

5. Open a web browser, type in the default gateway IP address. http://192.168.2.1. You will see the

From the WAN port (For GXW4004/8 only):

The WAN port HTML configuration option is disabled by default from factory. To access the HTML

configuration menu from the WAN port:

1. Follow table 4 to find the WAN side IP address.

2. Open a web browser, type in the WAN side IP address – for example: http://GXW40XX -IP-

Address (the GXW40XX IP-Address is the WAN IP address for the GXW40XX).

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NOTE:

• WAN side HTTP access is disabled by default for security reasons. You can enable HTTP access on

the configuration page by setting “WAN side HTTP access” to be YES.

• Initial access to the configuration pages is always from the LAN port. The instructions are listed above.

• The IVR announces 12 digits IP address, you need to strip out the leading “0” in the IP address. For

ex. IP address: 192.168.001.014, you need to type in http://192.168.1.14 in the web browser.

Once the HTTP request is entered and sent from a web browser, the user will see a log-in screen. There are

two default passwords for the login page:

User Level: Password: Web pages allowed:

End User Level 123 Only Status and Basic Settings

Administrator Level Admin Browse all pages

The password is case sensitive with maximum length of 25 characters. The factory default password for End

User and administrator is “123” and “admin” respectively. Only an administrator can access the “ADVANCED

SETTING”, “Profile 1”, “Profile 2” and “FXS PORTs” configuration pages. Please reference the GUI pages

using the following link:

http://www.grandstream.com/products/gxw_series/gxw40xx/documents/gxw40xx_gui.zip .

IMPORTANT SETTINGS

The end-user must configure the following settings according to the local environment.

NOTE: Most settings on the web configuration pages are set to the default values.

NAT Settings

If you plan to keep the gateway within a private network behind a firewall, we recommend using STUN

Server. The following three (3) settings are useful in the STUN Server scenario:

1. STUN Server (under Advanced Settings webpage)

Enter a STUN Server IP (or FQDN) that you may have, or look up a free public STUN Server on the

internet and enter it on this field. If using Public IP, keep this field blank.

2. Use Random Ports (under Advanced Settings webpage)

It really depends on your network settings, so set this parameter to Yes or No, whichever works.

Generally if you have multiple IP devices under the same network, it should be set to Yes. If using a

Public IP address, set this parameter to No.

3. NAT Traversal (under the Profile web pages)

Set this to Yes when gateway is behind firewall on a private network.

DTMF Methods

DTMF Settings are in Profile pages.

• DTMF in-audio

• DTMF via RTP (RFC2833)

• DTMF via SIP INFO

You can enable set priority of DTMF methods according to your preference, from Priority 1 to 3. This

setting should be based on your server DTMF setting.

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Preferred VOCODER (Codec)

The GXW40XX supports a broad range of voice codecs. Under Profile web pages, choose your preferred

order of different codecs:

• PCMU/A (or G711µ/a)

• G729 A/B/E

• G723

• G726 (16/24/32/40)

• iLBC

• AAL2 (all G726)

DEFINITIONS

This section will describe the options in the Web configuration user interface. As mentioned, a user can

Functions available for the end-user are:

• STATUS: Displays the network status, account status, software version and MAC-address of the

phone

• BASIC SETTINGS: Basic preferences such as date and time settings, multi-purpose keys and

LCD settings can be set here.

Additional functions available to administrators are:

• ADVANCED SETTINGS: To set advanced network settings, codec settings and XML

configuration settings.

• PROFILE X: To configure each of the SIP accounts.

• FXS PORTS: To configure each of the FXS ports and Hunting Groups etc.

TABLE 7: BASIC SETTINGS

End User Password Password to access the Web Configuration Menu. This field is case sensitive with a

maximum length of 25 characters.

Web Port By default, HTTP uses port 80. This field is for customizable web port.

Telnet Server Default is Yes.

IP Address There are two modes to operate the GXW40XX :

DHCP mode: The GXW40XX acquires its IP address from the first DHCP server it

discovers from the LAN It is on.

PPoE: Set the PPPoE account settings. The GXW40XX will establish a PPPoE

session if any of the PPPoE fields is set.

Static IP mode: configure the IP address, Subnet Mask, Default Router IP

address, DNS Server 1 (primary), DNS Server 2 (secondary) fields. These fields are

set to zero by default.

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DHCP hostname This option specifies the name of the client. This field is optional but may be

required by some Internet Service Providers. Default is blank.

DHCP domain This option specifies the domain name that client should use when resolving

hostnames via the Domain Name System. Default is blank.

DHCP vendor class ID Used by clients and servers to exchange vendor-specific information. Default is

HT500.

PPPoE account ID PPPoE username. Necessary if ISP requires you to use a PPPoE (Point to Point

Protocol over Ethernet) connection.

PPPoE password PPPoE account password.

PPPoE Service Name This field is optional. If your ISP uses a service name for the PPPoE connection,

enter the service name here. Default is blank.

Time Zone Controls how the date/time is displayed according to the specified time zone.

Self Defined Time Zone The syntax is std offset dst [offset],start[/time],end[/time]

Default is set to : MTZ+6MDT+5,M3.2.0,M11.1.0

MTZ+6MDT+5,

It indicates a time zone with 6 hours offset with 1 hour ahead which is the US

central time.

It is positive (+) if the local time zone is west of the Prime Meridian and negative

(-) if it is east.

Prime Meridian (International or Greenwich Meridian)

M3.2.0,M11.1.0

The 1st number indicates Month: 1,2,3,..,12 (for Jan, Feb, .., Dec)

The 2nd number indicates the nth iteration of the weekday: (1st Sunday, 3rd

Tuesday etc)

The 3rd number indicates Weekday: 0,1, 2, ..,6(for Sun, Mon, Tue, .., Sat)

Therefore, this example is the DST which starts from the second Sunday of

March to the 1st Sunday of November.

Language Default is English. Languages supported with voice prompt.

Device Mode This parameter controls whether the device is working in NAT router mode or Bridge

mode. Save the setting and reboot prior to configuring the GXW.

Note: This option is not present on GXW4024

NAT maximum ports Maximum NAT ports, typically one connection per port.

Note: This option is not present on GXW4024

NAT TCP timeout NAT TCP timeout in seconds

Note: This option is not present on GXW4024

NAT UDP timeout NAT UDP timeout in seconds.

Note: This option is not present on GXW4024

Uplink Bandwidth ISP specified WAN uplink bandwidth

Note: This option is not present on GXW4024

Downlink Bandwidth ISP specified WAN downlink bandwidth

Note: This option is not present on GXW4024

Enable UPnP support If set to “Yes”, the GXW40XX would act as an UPnP gateway for your UPnP enable

applications. UPnP - Universal Plug n Play

Note: This option is not present on GXW4024

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Reply to ICMP on WAN port If set to “Yes”, the GXW40XX will respond to the PING. Default is No.

“Yes” setting may make the gateway vulnerable to a Denial of Service attack.

Note: This option is not present on GXW4024

WAN side HTTP/Telnet

Access If set to “Yes”, user can access the configuration page through the WAN port,

instead of through the “PC” port. WARNING: this configuration is less secure than

default option. Default is No.

Note: This option is not present on GXW4024

Cloned WAN MAC Address This allows you to change/set the MAC address on the WAN interface.

Note: This option is not present on GXW4024

Enable LAN DHCP Default is Yes.

Note: This option is not present on GXW4024

LAN Subnet Mask Sets the LAN subnet mask. Default value is 255.255.255.0

Note: This option is not present on GXW4024

LAN DHCP Base IP Base IP for the LAN port which functions as a Gateway for the subnet.

Default value is 192.168.2.1.

When the device detects WAN IP is conflicting with LAN IP, the LAN base IP

address will be changed based on the network mask -- the effective subnet will be

increased by 1. For example; 192.168.2.1 will be changed to 192.168.3.1 if net

mask is 255.255.255.0. Then the device will reboot

Note: This option is not present on GXW4024

LAN DHCP Start IP Default is 100

Note: This option is not present on GXW4024

LAN DHCP End IP Default is 199

Note: This option is not present on GXW4024

DHCP IP Lease Time Value is set in units of hours. Default value is 120 hrs (5 Days.) The time IP

address is assigned to the LAN clients.

Note: This option is not present on GXW4024

DMZ IP Forward all WAN IP traffic to a specific IP address if no matching port is used by

GXW40XX or defined in port forwarding.

Note: This option is not present on GXW4024

Port Forwarding Forwards a matching (TCP/UDP) port to a specific LAN IP address with a specific

(TCP/UDP) port.

Note: This option is not present on GXW4024

In addition to the Basic Settings configuration page, end users also has access to the Device Status

page.

TABLE 8: STATUS PAGE

MAC Address The device ID in hexadecimal format. This is needed for Internet Service Provider

troubleshooting. Note: there are separate MAC addresses for the WAN side and

the LAN side. The LAN MAC address will be used for provisioning and can be found

on the label on original box and on the label located on the bottom panel of the device.

WAN IP Address Shows WAN IP address of GXW40XX

Product Model Contains the product model info.

Software Version Program: This is the main software release. Boot and Loader are not changed often.

System Up Time Shows system uptime since the last reboot.

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PPPoE Link Up Shows whether the PPPoE connection is running if connected to DSL modem.

NAT Shows type of NAT the GXW40XX is connected to via its WAN port. It is based on

STUN protocol.

Port Status Displays relevant information regarding the individual FXS ports. Example:

Port Hook Registration DND Forward Busy

Forward Delayed

Forward

FXS1 On Hook Registered No 613

FXS2 Off Hook Registered No 614

FXS3 On Hook Not

Registered No

FXS24 On Hook Registered Yes 615

** FXS port 24 user has set Do Not Disturb.

FXS port 1 user has set his calls to be forwarded unconditionally to ext 613

FXS port 2 user has set his calls to be forwarded to 614 when his phone is busy.

FXS port 3 user is not registered with his SIP Server.

Advanced User configuration includes not only the end user configuration, but also advanced

configurations such as: SIP configuration, Codec selection, NAT Traversal Setting and other

miscellaneous configuration.

Table 9: ADVANCED SETTINGS

Admin Password Administrator password. Only the administrator can configure the “Advanced

Settings” page. Password field is purposely left blank for security reasons after

clicking update and saved. The maximum password length is 25 characters.

Layer 3 QoS This field defines the layer 3 QoS parameter which can be the value used for IP

Precedence or Diff-Serv or MPLS. Default value is 48.

Layer 2 QoS Value used for layer 2 VLAN tag. Default setting is blank.

STUN Server IP address or Domain name of the STUN server.

STUN server assists devices behind a NAT firewall or a router to set up calls via

VoIP.

STUN server is often provided by the VoIP service provider or a public STUN server

can be used. For a sample list of public free STUN servers please refer to:

http://www.voip-info.org/wiki-STUN

Keep-alive interval This parameter specifies the number of seconds after which a new blank UDP

packet will be sent out to the proxy/server port in order to have the port stay open

and the device remain reachable. Default is 20 seconds.

Use STUN to detect

network connectivity Use STUN keep-alive to detect WAN side network problems. If keep-alive request

does

not yield any response for configured number of times, the device will restart the

TCP/IP

stack. If the STUN server does not respond when the device boots up, the

feature is

disabled.

Firmware Upgrade &

Provisioning Enables GXW40XX to download firmware or configuration file using either the TFTP

or HTTP/S protocols.

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Via TFTP Server This is the IP address of the configured TFTP server. If selected and it is non-zero

or not blank, the GXW40XX retrieves the new configuration file or new code image

from the specified TFTP server at boot time. After 5 attempts, the system will

timeout and then it will start the boot process using the existing code image in the

Flash memory. If a TFTP server is configured and a new code image is retrieved,

the new downloaded image is saved into the Flash memory.

Note: Do NOT interrupt the firmware upgrade process (especially the power

supply) as this will damage the device. Depending on the network environment

this process may take up to 15 or 20 minutes.

Via HTTP or HTTPS Server The URL for the HTTP server used for firmware upgrade and configuration via

HTTP.

Note: If Auto Upgrade is set to No, GXW40XX will only do HTTP download once at

boot up.

Firmware Server Path IP address or domain name of firmware server. That URL of the server that hosts the

firmware release. The default server is: fm.grandstream.com/gs

Config Server Path IP address or domain name of configuration server. The server hosts a copy of the

configuration file to be installed on the gateway. The default server is:

fm.grandstream.com/gs

XML Config File Password The password used for encrypting the XML configuration file using OpenSSL.

This is required for the phone to decrypt the encrypted XML configuration file.

HTTP/HTTPS User Name The user name for the HTTP/HTTPS server.

HTTP/HTTPS Password The password for the HTTP/HTTPS server.

Firmware File Prefix Default is blank. If configured, GXW40XX will request firmware file with the prefix.

This setting is useful for Internet Telephone Service Providers. End users should

keep it blank.

Firmware File Postfix Default is blank. This setting is useful for Internet Telephone Service Providers. End

users should keep it blank.

Config File Prefix Default is blank. This setting is useful for Internet Telephone Service Providers. End

users should keep it blank.

Config File Postfix Default is blank. This setting is useful for Internet Telephone Service Providers. End

users should keep it blank.

Allow DHCP Option 66 to

override server If set to “Yes”, configuration and upgrade server’s information can be obtained using

DHCP option 66 from DHCP server. This option specifies the URL of the tftp server.

Note: If DHCP Option 66 is enabled, the gateway will attempt downloading a

configuration file from the server URL provided by DHCP, even though Config

Server Path is left blank.

Automatic Upgrade Choose “Yes” to enable automatic upgrade and provisioning. When set to No,

GXW40XX will only do upgrade once at boot up.

When “Check every day” or “Check every week” is checked, user can specify “Hour

of the day (0-23)” or “Day of the week (0-6)”. Default time is Monday 1AM.

There are three options to choose from: “Always check for New Firmware at Boot

up”, “Check New Firmware only when F/W pre/suffix changes”, and “Always Skip the

Firmware Check”.

Authenticate Conf File If set to Yes, configuration file is authenticated before being accepted. This protects

the configuration from unauthorized modifications.

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Firmware Key For firmware encryption. It should be 32-digit in Hexadecimal Representation. End

user should keep it blank.

SSL Certificate The GXW40XX series supports SIP over TLS. It has built-in private key and SSL

certificate. The user specified SSL certificate used for SIP over TLS is in X.509

format.

SSL Private Key You may also customize the SSL Private Key. The user specified SSL private key

used for SIP over TLS is in X.509 format.

SSL Private Key Password Enter SSL Private Key password here.

ACS URL User specify the Auto Configuration Server’s URL (TR-069 protocol)

ACS Username User specify the ACS Username

ACS Password User specify the ACS password

Periodic Inform Enable Default is No. If set to YES, device will send inform packets to the ACS

Periodic Inform Interval Frequency that the inform packets will be sent out to the ACS

Connection Request

Username Set a user name for the ACS to connect to this device

Connection Request

Password Set a password for the ACS to connect to this device

System Ring Cadence Configuration option for all FXS ports ring cadence for all incoming calls.

(Syntax: c=on1/off1-on2/off2-on3/off3; [...]) Default is set to c=2000/4000; (US

standards)

Call Progress Tones Using these settings, user can configure tone frequencies according to user

preference. By default, the tones are set to North American frequencies.

Frequencies should be configured with known values to avoid uncomfortable high

pitch sounds. ONis the period of ringing (ON time in ms) while OFF is the period of

silence. In order to set a continuous ring, OFF should be zero. Otherwise it will ring

ON ms and a pause of OFF ms and then repeat the pattern.

• “Dial tone”

• “Ringback tone”

• “Busy/Re-order tone”

• “Confirmation tone”

Please refer the document below to determine your local call progress tones:

http://www.itu.int/ITU-T/inr/forms/files/tones-0203.pdf

Lock Keypad Update If set to “Yes”, the configuration update via keypad is disabled.

Disable Voice Prompt Disables the voice prompt configuration. Default is “No”. If set to “Yes” accessing

integrated voice menu will be impossible.

Disable Direct IP Call Disables the Direct IP Call function. Default is “No”. If set to “Yes” direct IP-to-IP

calling will not be supported.

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Lifeline Mode Life line feature ensures user can place/receive a PSTN call in an emergency

situation.

1. If set to “Auto”, in case of power loss or loss of SIP registration, the PSTN

line will be seamlessly connected to analog phone connected to FXS port.

2. If set to “Always Connected” the PSTN line will be always connected to

the phone connected to FXS port. VoIP calls will not be allowed in this

configuration.

3. If set to “Always Disconnected”, user can only place VoIP calls,

regardless of any power loss and/or SIP registration problems. User will be

unable to place/receive any PSTN calls.

Failover to FXO Gateway This feature allows users to place an outbound PSTN call in case there is a loss of

an active registration (SIP server unreachable) of all FXS profiles. If set to “YES”,

when GXW40XX recognizes a loss of registration, all outgoing calls will be routed to

an FXO gateway.

The use of this option presumes a configured GXW410x or another FXO gateway

with an active PSTN line connection.

FXO Gateway IP Address or URI of the FXO gateway.

NTP server URI or IP address of the NTP (Network Time Protocol) server. Used by the phone to

synchronize the date and time. An extensive list of public NTP servers can be found

at http://www.ntp.org

Syslog Server The IP address or URL of System log server. The server collects system log

information from the device.

Syslog Level Select the GXW40XX to report the log level. Default is NONE. The level is one of

DEBUG, INFO, WARNING or ERROR. Syslog messages are sent based on the

following events:

1. product model/version on boot up (INFO level)

2. NAT related info (INFO level)

3. sent or received SIP message (DEBUG level)

4. SIP message summary (INFO level)

5. inbound and outbound calls (INFO level)

6. registration status change (INFO level)

7. negotiated codec (INFO level)

8. Ethernet link up (INFO level)

9. SLIC chip exception (WARNING and ERROR levels)

10. memory exception (ERROR level)

The Syslog uses USER facility. In addition to standard Syslog payload, it contains

the following components:

GS_LOG: [device MAC address][error code] error message

Example: May 19 02:40:38 192.168.1.14 GS_LOG: [00:0b:82:00:a1:be][000]

Ethernet link is up

Primary RADIUS Server IP Address or FQDN of the primary RADIUS Server

Primary RADIUS Auth Port Primary Radius server authentication port. Default value is 1812

Primary RADIUS Acct Port Primary Radius server accounting port. Default value is 1813

Primary Radius Server

Secret Special secret string should be preconfigured according to RADIUS Server

configuration

Secondary RADIUS Server IP Address or FQDN of the secondary RADIUS Server

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Secondary RADIUS Auth

Port Secondary Radius server authentication port. Default value is 1812

Secondary RADIUS Acct

Port Secondary Radius server accounting port. Default value is 1813

Secondary Radius Server

Secret Special secret string should be preconfigured according to RADIUS Server

configuration

RADIUS Timeout Default value is 2 seconds. The time between retries the GXW will send “Access-

Request” message to RADIUS server in purpose to authenticate it.

RADIUS Retry Default value is 3 times. Number of times the device will try to authenticate itself with

preconfigured RADIUS server during initialization process.

Download Device

Configuration This setting allows user to download a text file containing all the P values of each

setting as configured on the unit.

TABLE 10: FXS PORTS SETTINGS

FXS Port FXS Port Number

SIP User ID User account information, provided by VoIP service provider (ITSP). Usually in the

form of digit similar to phone number or actually a phone number.

Authenticate ID SIP service subscriber’s Authenticate ID used for authentication. Can be

identical to or different from SIP User ID.

Password SIP service subscriber’s account password for GXW40XX to register to (SIP) servers

of ITSP.

Name Any name to identify this specific user.

Profile ID Select the corresponding Profile ID (1/2)

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Hunting Group This feature enables the gateway to register all existing FXS ports with the same

phone number. Each incoming call will be routed to first available port in round robin

mode. User may configure all ports as members of the same Hunting Group or it may

configure different port combinations for more than one Hunting Group.

For example: Ports 1, 3 and 5 are members of the same Hunting Group, the rest of

the ports may have separate numbers and may be reached independently.

Any port, member of a Hunting Group that is not registered with a SIP account, will be

able to place outbound calls using the SIP credentials of the primary Hunting Group

port.

For example: Port 1, 3 and 5 are members of the same Hunting Group. Port 1 is

registered with a SIP account. Ports 3 and 5 are not registered. Ports 3 and 5 will be

able to place outbound calls using the SIP account of port 1.

Select appropriate value for Hunting Group feature. The original SIP account should

be set to Active while the group members should be set to the port number of the

Active Port.

Example configuration of a multiple Hunting group: