Grandstream Networks GXW40XX User manual

GXW40XX USER MANUAL
Grandstream Networks, Inc.
Analog IP Gateway GXW40XX
4, 8 or 24 FXS Ports

FIRMWARE VERSION 1.0.6.8 GXW40XX USER MANUAL Page 2 of 59
GXW40XX USER MANUAL
INDEX
GNU GPL INFORMATION...........................................................................5
CHANGE LOG.............................................................................................6
CHANGES FROM 1.0.5.10 USER MANUAL ........................................................................................6
WELCOME ..................................................................................................7
GATEWAY GXW40XX OVERVIEW.......................................................................................................7
SAFETY COMPLIANCE........................................................................................................................7
WARRANTY...........................................................................................................................................7
CONNECT YOUR GXW40XX GATEWAY...................................................9
EQUIPMENT PACKAGING ...................................................................................................................9
CONNECT THE GXW40XX...................................................................................................................9
GXW40XX FEATURES..............................................................................14
SOFTWARE FEATURES OVERVIEW................................................................................................14
HARDWARE SPECIFICATION............................................................................................................17
BASIC OPERATIONS ...............................................................................18
UNDERSTANDING GXW VOICE PROMPTS.....................................................................................18
PLACING A PHONE CALL ..................................................................................................................20
PHONE OR EXTENSION NUMBERS..........................................................................................20
DIRECT IP CALLS........................................................................................................................20
CALL HOLD.........................................................................................................................................21
CALL WAITING....................................................................................................................................21
CALL TRANSFER................................................................................................................................21
BLIND TRANSFER.......................................................................................................................21
ATTENDED TRANSFER..............................................................................................................22
3-WAY CONFERENCING....................................................................................................................22
HUNTING GROUP ..............................................................................................................................23
INTER-PORT CALLING.......................................................................................................................25
PSTN PASS THROUGH/LIFE LINE....................................................................................................25
SENDING AND RECEIVING FAX .......................................................................................................25
SUPPORT RADIUS PROTOCOL........................................................................................................26
CALL FEATURES .....................................................................................27
CONFIGURATION GUIDE.........................................................................29

FIRMWARE VERSION 1.0.6.8 GXW40XX USER MANUAL Page 3 of 59
CONFIGURING GXW40XX VIA VOICE PROMPT .............................................................................29
CONFIGURING GXW40XX WITH WEB BROWSER..........................................................................29
ACCESS THE WEB CONFIGURATION MENU...........................................................................30
IMPORTANT SETTINGS.....................................................................................................................31
NAT SETTINGS............................................................................................................................31
DTMF METHODS.........................................................................................................................31
PREFERRED VOCODER (CODEC)............................................................................................31
SAVING THE CONFIGURATION CHANGES......................................................................................53
REBOOTING FROM REMOTE...........................................................................................................53
CONFIGURATION THROUGH A CENTRAL SERVER.......................................................................53
SOFTWARE UPGRADE............................................................................55
CONFIGURATION FILE DOWNLOAD................................................................................................56
FIRMWARE AND CONFIGURATION FILE PREFIXAND POSTFIX..................................................56
MANAGING FIRMWARE AND CONFIGURATION FILE DOWNLOAD..............................................57
RESTORE FACTORY DEFAULT SETTING..............................................58

FIRMWARE VERSION 1.0.6.8 GXW40XX USER MANUAL Page 4 of 59
TABLE OF FIGURES
GXW40XX User Manual
FIGURE 1: DIAGRAM OF GXW4004-8AND GXW4024 BACK PANEL...................................................10
FIGURE 2: 50 PIN TELCO CONNECTOR .................................................................................................11
FIGURE 3: DIAGRAM OF GXW4004-8AND GXW4024 DISPLAY PANEL..............................................12
TABLE OF TABLES
GXW40XX User Manual
TABLE 1: DEFINITIONS OF THE GXW CONNECTORS..........................................................................10
TABLE 2: DEFINITIONS OF THE GXW DISPLAY PANEL........................................................................12
TABLE 3: GXW40XX SOFTWARE FEATURES........................................................................................14
TABLE 4: HARDWARE SPECIFICATION OF GXW40XX SERIES GATEWAYS......................................17
TABLE 5: DEFINITIONS OF THE GXW VOICE PROMPTS.....................................................................18
TABLE 6: CALL FEATURES TABLE (STAR CODE)..................................................................................27
TABLE 7: BASIC SETTINGS.....................................................................................................................32
TABLE 8: STATUS PAGE...........................................................................................................................35
TABLE 9: ADVANCED SETTINGS ............................................................................................................36
TABLE 10: FXS PORTS SETTINGS..........................................................................................................42
TABLE 11: PROFILE SETTINGS...............................................................................................................44
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 1CONFIGURATION PAGE
5. SCREENSHOT OF PROFILE 2CONFIGURATION PAGE
6. SCREENSHOT OF STATUS PAGE

FIRMWARE VERSION 1.0.6.8 GXW40XX USER MANUAL Page 5 of 59
GNU GPL INFORMATION
GXW40xx firmware contains third-party software licensed under the GNU General Public License (GPL).
Grandstream uses software under the specific terms of the GPL. Please see the GNU General Public
License (GPL) for the exact terms and conditions of the license.
Grandstream GNU GPL related source code can be downloaded from Grandstream web site from:
http://www.grandstream.com/support/faq/gnu_gpl .

FIRMWARE VERSION 1.0.6.8 GXW40XX USER MANUAL Page 6 of 59
CHANGE LOG
This section documents significant changes from previous versions of GXW40xx user manuals. Only
major new features or major document updates are listed here. Minor updates for corrections or editing
are not documented here.
CHANGES FROM 1.0.5.10 USER MANUAL
Add the option to change the Voice Frames per TX. [Voice Frames per TX]
Add a configuration parameter to override User-Agent header [Use SIP User-Agent Header]
Added new Prompt Tone and Prompt Tone Access Code[Prompt Tone Access Code]
Added Send SIP log in Syslog [Send SIP Log]
Add NTP update interval option [NTP Update Interval]
Added support for webUI for OK and Apply Changes
Add option to Enable/Disable FXS Ports [Enable Port]
Changed the device design to accept parameters without requiring reboot

FIRMWARE VERSION 1.0.6.8 GXW40XX USER MANUAL Page 7 of 59
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.

FIRMWARE VERSION 1.0.6.8 GXW40XX USER MANUAL Page 8 of 59
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.

FIRMWARE VERSION 1.0.6.8 GXW40XX USER MANUAL Page 9 of 59
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.

FIRMWARE VERSION 1.0.6.8 GXW40XX USER MANUAL Page 10 of 59
FIGURE 1: DIAGRAM OF GXW4004-8 AND GXW4024 BACK PANEL
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.
Note: Once the GXW40xx is turned on and configured, the front display panel indicates the status of the
unit.
LAN/WAN
RJ-45 Ethernet
Ports
FXS
Ports
Console
Connection
(PC
connection)
GXW 400x
PSTN
Line
Power
Supply
Reset
GXW 4024
xx
50 PIN Telco
Connector
FXS
Ports

FIRMWARE VERSION 1.0.6.8 GXW40XX USER MANUAL Page 11 of 59
Pin
Signal
Pin
Signal
1
RING1
26
TIP1
2
RING2
27
TIP2
3
RING3
28
TIP3
4
RING4
29
TIP4
5
RING5
30
TIP5
6
RING6
31
TIP6
7
RING7
32
TIP7
8
RING8
33
TIP8
9
RING9
34
TIP9
10
RING10
35
TIP10
11
RING11
36
TIP11
12
RING12
37
TIP12
13
RING13
38
TIP13
14
RING14
39
TIP14
15
RING15
40
TIP15
16
RING16
41
TIP16
17
RING17
42
TIP17
18
RING18
43
TIP18
19
RING19
44
TIP19
20
RING20
45
TIP20
21
RING21
46
TIP21
22
RING22
47
TIP22
23
RING23
48
TIP23
24
RING24
49
TIP24
25
50
FIGURE 2: 50 PIN TELCO CONNECTOR

FIRMWARE VERSION 1.0.6.8 GXW40XX USER MANUAL Page 12 of 59
FIGURE 3: DIAGRAM OF GXW4004-8 AND GXW4024 DISPLAY PANEL
TABLE 2: DEFINITIONS OF THE GXW DISPLAY PANEL
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:
All LED lights display green when ON.
Slow blinking of READY, WAN and LAN LED together indicates a firmware upgrade or
provisioning state.
FXS port
status
GXW4008
Display
LEDs
Display LEDs
FXS port status
GXW4024

FIRMWARE VERSION 1.0.6.8 GXW40XX USER MANUAL Page 13 of 59
LED POWER, READY and WAN lights are ON when device is up and running and successfully
registered to the SIP Server.
Slow blinking of READY LED indicates that device has not registered with any SIP Service
provider.

FIRMWARE VERSION 1.0.6.8 GXW40XX USER MANUAL Page 14 of 59
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 / configurable through 2 profiles, or 24 accounts /
configurable through 3 profiles)
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
Number of
Concurrent Calls
(except when using
4 Concurrent Calls
8 Concurrent Calls
24 Concurrent Calls,

FIRMWARE VERSION 1.0.6.8 GXW40XX USER MANUAL Page 15 of 59
SRTP)
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.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
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
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.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
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,
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,
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,

FIRMWARE VERSION 1.0.6.8 GXW40XX USER MANUAL Page 16 of 59
V.27ter, V.29 for T.38 fax
relay
V.27ter, V.29 for T.38 fax
relay
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
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
EN55022/EN55024 and
FCC part15 Class B

FIRMWARE VERSION 1.0.6.8 GXW40XX USER MANUAL Page 17 of 59
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, 5.0A, 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

FIRMWARE VERSION 1.0.6.8 GXW40XX USER MANUAL Page 18 of 59
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.

FIRMWARE VERSION 1.0.6.8 GXW40XX USER MANUAL Page 19 of 59
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
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

FIRMWARE VERSION 1.0.6.8 GXW40XX USER MANUAL Page 20 of 59
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”)
or
2. Dial the number directly and press # (Use # as dial key” must be configured in web configuration).
Examples:
1. Dial a number (e.g. [phone]), 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.