Grandstream Networks GXW-410x User manual

Grandstream Networks, Inc.
Analog IP Gateway GXW410x
4 or 8 FXO Ports w/Video Surveillance
GXW410x User Manual www.grandstream.com
Firmware Version 1.3.1.6 [email protected]

TABLE OF CONTENTS
GXW410X USER MANUAL
WELCOME .................................................................................................................................................5
Gateway GXW410x Overview................................................................................................................................5
Safety Compliances.................................................................................................................................................5
Warranty.................................................................................................................................................................5
PACKAGING ..............................................................................................................................................6
CONNECTING THE GXW410X.........................................................................................................................................6
APPLICATION DESCRIPTION...................................................................................................................8
Functional Diagram of IP-PBX & GXW410x........................................................................................................8
GXW400x & GXW410x Scenario/Toll- Free Calling Between Locations.............................................................9
FXS and FXO Gateway Configuration Example..................................................................................................10
FEATURES...............................................................................................................................................10
SOFTWARE FEATURES OVERVIEW.....................................................................................................................................10
HARDWARE SPECIFICATION.............................................................................................................................................11
CONFIGURATION GUIDE........................................................................................................................13
CONFIGURATION WITH WEB BROWSER.............................................................................................................................13
Accessing the Web Configuration Menu...............................................................................................................13
End-user Configuration........................................................................................................................................13
ADVANCED USER SETTINGS............................................................................................................................................17
Advanced User Configuration .............................................................................................................................17
CONFIGURING THE FXO CHANNELS ................................................................................................................................20
PROFILES......................................................................................................................................................................26
Saving the Configuration Changes.......................................................................................................................28
Rebooting from Remote........................................................................................................................................28
VIDEO SURVEILLANCE...........................................................................................................................29
VIDEO SURVEILLANCE PROCEDURES.................................................................................................................................29
FIRMWARE UPGRADE............................................................................................................................31
UPGRADE THROUGH HTTP............................................................................................................................................31
UPGRADE THROUGH TFTP.............................................................................................................................................31
Download TFTP Server........................................................................................................................................32
RESTORE FACTORY DEFAULT SETTING.............................................................................................33
EXAMPLES OF GXW410X CONFIGURATIONS......................................................................................34
GXW410x User Manual www.grandstream.com
Firmware Version 1.3.1.6 [email protected]

TABLE OF FIGURES
GXW410X USER MANUAL
FIGURE 1: DIAGRAM OF GXW410X BACK PANEL................................................................................6
FIGURE 2: DIAGRAM OF GXW410X DISPLAY PANEL..........................................................................7
FIGURE 7: SCREEN-SHOT OF VIDEO SURVEILLANCE* ....................................................................30
APPLICATION ONE: GXW CONNECTED WITH AN IP-PBX OR SIP SERVER....................................34
APPLICATION TWO: GXW TO EXTEND A TRADITIONAL PBX SCENARIO.......................................34
APPLICATION THREE: GXW CONNECTED WITH AN IP-PBX OR SIP SERVER AND VIDEO
SURVEILLANCE.......................................................................................................................................35
APPLICATION FOUR: USING A GXW FOR PURE IP- IP COMMUNICATION CONFIGURATION.......36
INDEX OF TABLES
GXW410X USER MANUAL
TABLE 1: DEFINITIONS OF THE GXW CONNECTORS..........................................................................6
TABLE 2: DEFINITIONS OF THE GXW DISPLAY PANEL.......................................................................7
TABLE 4: HARDWARE SPECIFICATION OF GXW410X ......................................................................11
TABLE 3: GXW410X SOFTWARE FEATURES......................................................................................12
TABLE 6: WEB LOG-IN DEFINITIONS (BASIC SETTINGS PAGE).......................................................14
TABLE 7: STATUS PAGE DEFINITIONS...............................................................................................15
TABLE 8: ADVANCED CONFIGURATION PAGE DEFINITIONS..........................................................17
TABLE 9: FXO LINES CONFIGURATION DEFINITIONS.......................................................................20
TABLE 10: FXO LINE TEST TAB DEFINITIONS.....................................................................................23
TABLE 11: CHANNELS PAGE DEFINITIONS........................................................................................24
TABLE 12: CHANNELS PAGE DEFINITIONS........................................................................................26
TABLE 13: PROFILE PAGE DEFINITIONS............................................................................................26
GXW410x User Manual www.grandstream.com
Firmware Version 1.3.1.6 [email protected]

GUI INTERFACES
GXW410X USER MANUAL
http://www.grandstream.com/support/gxw_series/gxw410x/documents/gxw410x_gui.zip
1. SCREENSHOT OF ADVANCED SETTINGS CONFIGURATION PAGE
2. SCREENSHOT OF BASIC SETTINGS CONFIGURATION PAGE
3. SCREENSHOT OF CHANNELS CONFIGURATION PAGE
4. SCREENSHOT OF FXO LINES CONFIGURATION PAGE
5. SCREENSHOT OF PROFILE 1 CONFIGURATION PAGE
6. SCREENSHOT OF STATUS CONFIGURATION PAGE
GXW410x User Manual www.grandstream.com
Firmware Version 1.3.1.6 [email protected]

WELCOME
Thank you for purchasing the Grandstream GXW410x IP Analog FXO Gateway. The GXW410x is a cost
effective, easy to use and easy to configure IP communications solution for any business. The GXW410x
gateway supports popular voice codecs and is designed for full SIP compatibility and interoperability with
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 FXO Analog IP Gateway and
make the best use of its many upgraded features including simple and quick installation, multi-party
conferencing, etc. 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. Enable the
video surveillance port to give you peace of mind while you are away from your business.
GATEWAY GXW410XOVERVIEW
The GXW410x offers an easy to manage, feature-rich IP communications solution for any small business
or businesses with virtual and/or branch locations who want to leverage their broadband network and/or
add new IP Technology to their current phone system. The Grandstream enterprise analog VoIP Gateway
GXW410x series converts SIP/RTP IP calls to traditional PSTN calls and vice versa. There are two
models - the GXW4104 and GXW4108, which feature 4 or 8 FXO ports respectively. The installation is
the same for either model.
SAFETY COMPLIANCES
The GXW410x 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 GXW410x package.
Using an alternative power adapter may permanently damage the unit.
WARRANTY
Grandstream has a reseller agreement with our reseller customer. End-users should contact the
company from whom you purchased the product for replacement, repair or refund.
If you purchased the product directly from Grandstream, contact your Grandstream Sales and Service
Representative for a RMA (Return Materials Authorization) number. Grandstream reserves the right to
remedy 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 contains links to Grandstream GUI Interfaces. Please download the GUI
examples http://www.grandstream.com/support/gxw_series/gxw410x/documents/gxw410x_gui.zip for
your reference.
•This document is subject to change without notice. The latest electronic version of this user
manual is available on our website:
http://www.grandstream.com/support/gxw_series/gxw410x/documents/gxw410x_usermanual_english
.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.
PACKAGING
Unpack and check all accessories. Equipment included in the package:
1) One GXW410x Unit
2) One universal power adapter
3) One Ethernet cable
CONNECTING THE GXW410X
FIGURE 1: DIAGRAM OF GXW410XBACK PANEL
TABLE 1: DEFINITIONS OF THE GXW CONNECTORS
LAN (or PC) Connect your PC to this port. It will then be assigned an IP address from your
Router/DHCP Server. The GXW410x acts as a switch only.
WAN Connect to the internal LAN network or Public Internet.
VIDEO IN Connection for Analog based Video Surveillance Camera (RCA)
RESET Factory Reset button. Press for 7 seconds to reset factory default settings.
POWER IN Power adapter connection
OFF/ON Off/On switch
FXO1 - FXO8 FXO ports to be connected to physical PSTN lines from a traditional PSTN PBX or
PSTN Central Office.

FIGURE 2: DIAGRAM OF GXW410XDISPLAY PANEL
TABLE 2: DEFINITIONS OF THE GXW DISPLAY PANEL
Power LED Indicates Power. Remains ON when Power is connected and unit is turned ON.
Ready LED Remains ON after boot-up.
LAN LED Indicates LAN (or WAN) port activity
PC LED Indicates PC (or LAN) port activity
Video LED Remains solid green on boot-up. If Video IN terminal is connected, indicates
video activity.
LEDs 1 - 8 Indicate status of the respective FXO Ports on the back panel
Busy - ON
Available - OFF
NOTE: All LEDs display green when ON. The Ready light will only be ON when the network interface is
ready and the Web User Interface is accessible.
During a firmware upgrade or configuration download the following LED pattern will be observed:
Power, Ready, Video and WAN LEDs will be ON. The FXO port LED will keep flashing during download
and then stay OFF while the new files are written. The entire process may take between 20 to 30
minutes. The firmware upgrade is complete when you can login into the web configuration pages.

APPLICATION DESCRIPTION
A. IP PBX / SIP Server with GXW410x
A SIP proxy server such as Asterisk or a SIP registrar server can be deployed with the GXW410x series
gateway. In this environment, the SIP server handles SIP registration and call control and the GXW410x
processes media conversion between IP and PSTN calls.
There are 2 ways to configure GXW410x when using it with a SIP Server:
1. With SIP accounts configured on Channels page. In this case, the GXW410x gateway acts as
an endpoint requesting registration from the SIP Server. Under the Channels page you will need
to fill in the information like SIP User ID, Password, etc. Now, when calls are made from an IP
phone, the call will be routed to the SIP Server which will forward it to one of the SIP accounts on
the GXW410x, which will then forward it to the PSTN line.
2. Without SIP accounts. In this case, you simply have to configure the SIP Server to perform
forwarding of the SIP INVITE message with the FXO destination number to the gateway’s IP
Address. The GXW410x gateway will receive the digits and immediately forward them on the
FXO lines to the destination PSTN. Most of the configuration on the Gateway for this case will
remain default, except Stage Method needs to be set to 1, and SIP Server IP Address/DNS name
has to be filled.
FUNCTIONAL DIAGRAM OF IP-PBX & GXW410X
For incoming calls from the PSTN analog endpoints to the GXW410x gateway, the device will auto
forward each call to a configured IP extension. The SIP Server can then route the call based on its own
configuration or IVR system.
PSTN
PSTN
Cloud
Cloud
Anywhere in the
world
GXW-
410x
4 or 8
Ports
FXO
ines
PSTN Analog
endpoints
Grandstream IP
Phones
IPPBX or
SIP
Server
IP/LAN IP/WA
N

B. FXS Gateway with GXW410x [No SIP Server required]
Alternatively, the GXW410x gateway can be used without a SIP Server. It can be used in conjunction with
an FXS Gateway (Ex. GXW400x) and calls can still be originated from the IP network and terminated on
the PSTN network and vice versa. All you need to make sure is that both gateways are able to locate
each other (i.e. they should be on the same LAN or have public IP addresses).
GXW400X& GXW410XSCENARIO/TOLL- FREE CALLING BETWEEN LOCATIONS
If you setup resembles the one in this diagram, you need to configure the SIP Server field to be the IP
address of the other gateway (i.e. configure the IP address of GXW400x gateway to be the SIP Server for
the GXW410x gateway and vice versa). Please be sure you set SIP Registration to No.
EXPECTED CALL FLOW: An analog Phone (connected to the GXW400x gateway) picks up and dials the
destination PSTN number. The call gets routed to the GXW410x gateway which dials out the digit string
onto the FXO Lines, thus reaching the destination PSTN endpoint. On the reverse, incoming calls from
the PSTN endpoints connected to the GXW410x gateway will be routed automatically to the analog
endpoints connected to the GXW400x gateway.
Branch A -
Boston, MA
4 employees
Branch B –
Denver, CO
4 employees
Internet
Internet
Cloud
Cloud
GXW-400x
GXW-410x
Analo g Phon es
PSTN
PSTN
Cloud
Cloud
FX0
Lines

FXS AND FXO GATEWAY CONFIGURATION EXAMPLE
GXW400XGATEWAY GXW410XGATEWAY
Profile 1
SIP Server - Set it to IP Address of
GXW410x
SIP Registration - No
Outgoing Call without Registration - Yes
NAT traversal – No
Advanced Settings
STUN Server - Blank
Use Random Port - No
Advanced Settings
STUN Server - Blank
FXO lines
Wait for Dial Tone - Y or N (whichever works for your
PSTN Service Provider)
Stage Method - 1
Unconditional Call Forward to VOIP:
ch1-8:444; @ch1-8:p1; ch1-8:5060++;
Channels
1-8 5060 Profile 1
Local SIP Listen port (For VOIP to PSTN calls) - 5060++
Profile 1
SIP Server - Set it to IP Address of GXW400x
SIP Registration - No
NAT traversal - No
For more information regarding this setup, email Grandstream technical support at [email protected]
or visit our User and Developer forum at forums.grandstream.com

FEATURES
The GXW410x is a next generation IP voice and video gateway that features full interoperability with
leading IP-PBXs, Soft-switches and SIP platforms. The GXW410x series gateways offer superb voice and
video quality, traditional telephony functionality, simple configuration, feature-rich functionality and an
additional video port that enables the gateway to act as a video surveillance gateway.
SOFTWARE FEATURES OVERVIEW
•4 and 8 FXO port media gateways
•Video surveillance port
•External power supply
•Two RJ-45 ports (switched or routed)
•TFTP and HTTP firmware upgrade support
•Multiple SIP accounts, multiple SIP profiles (choice of 3 profiles per account)
•Supports Audio Codecs: G711U/A, G723, G729A/B and GSM
•Supports Video Codecs: H.264
•G.168 – echo cancellation
•Flexible DTMF transmission: In Audio, RFC2833, SIP Info or any combination of the 3
•Selectable, multiple LBR coders per channel
•T.38 compliant
HARDWARE SPECIFICATION
TABLE 4: HARDWARE SPECIFICATION OF GXW410X
LAN interface 2xRJ45 10/100Mbps
LED 8 LEDs (GREEN)
Universal Switching
Power Adapter
Input: 100-240V AC, 50/60Hz, 0.5A Max
Output: 12V DC, 1.25A
UL certified
Dimension 225mm (L) x 172mm (W) x 42mm (H)
Weight 0.29 lbs (3.5 oz)
Temperature 32~104°F
0~40°C
Humidity 10% - 90% (non-condensing)
Compliance FCC, CE

TABLE 3: GXW410XSOFTWARE FEATURES
GXW410x FX0 Analog Gateway Series
IP settings GXW4104: 4 ports; 4 SIP accounts w/ choice of 3 SIP Server profiles
GXW4108: 8 ports; 8 SIP accounts w/ choice of 3 SIP Server profiles
Round-robin port scheduling to ensure available lines to access PSTN networks
Telephone Interface FXO, RJ11
Network Interface Two (2) 10/100 Mbps, RJ45
LED Indicators Power, Video, and Line LEDs
On/Off Switch Yes
Voice over Packet
Capabilities
G.168 compliant Echo Cancellation, Dynamic Jitter Buffer,
Modem detection & auto-switch to G.711
Voice Compression G.711U, G711A, G.723, G.729A/B, GSM
Video Surveillance Real-time H.264 base CIF resolution
DHCP Server/Client Switch Mode and PPPoE
Fax over IP T.38 compliant Group 3 Fax Relay up to 14.4kpbs and auto-switch to G.711 for Fax
Pass-through
QoS Diffserve, TOS, 802.1 P/Q VLAN tagging
IP Transport RTP/RTCP and RTSP
PSTN Signaling FXO Loop start, Current Disconnect.
DTMF Method Flexible DTMF transmission method,
User interface of In-audio, RFC2833, and SIP Info
IP Signaling SIP (RFC 3261)
Provisioning TFTP and HTTP
Media SRTP
Control TLS and SIPS (pending)
Management Syslog support,
HTTPS and telnet (pending), remote management using Web browser
Short and long haul REN3: Up to150 ft on 24 AWG line
Caller ID Bellcore Type 1 & 2, ETSI, BT, NTT, and DTMF-based CID
Polarity Reversal / Wink Yes (Detection only). The PSTN lines will need to be subscribed to PR service from
the Service Provider.
EMC GXW410x: EN55022 Class B, CFR Part 15 Class B, EN55024;
GXW4104: FCC, CE (in addition)
Safety GXW410x: EN60950-1 GXW4108: UL60950-1 (in addition)

CONFIGURATION GUIDE
CONFIGURATION WITH WEB BROWSER
The GXW410x gateways have an embedded Web server that will allow a user to configure the IP phone
through any web browser.
Examples of GUI interfaces can be downloaded @
http://www.grandstream.com/support/gxw_series/gxw410x/documents/gxw410x_gui.zip
ACCESSING THE WEB CONFIGURATION MENU
1. Navigate your browser to: http://www.grandstream.com/DOWNLOAD/IPQuery/IPQuery.zip
2. Run the Grandstream IPQuery tool, that you just downloaded.
3. Click on button in order to begin device detection
4. The detected devices will appear in the Output field
END-USER CONFIGURATION
When the Web Configuration Menu is accessed, the GXW410x will respond with a login 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 All pages can be browsed.

After login, the following page is the Basic Configuration page, explained in detail in Table 6: Web
Log-in Definition.
TABLE 6: WEB LOG-IN DEFINITIONS (BASIC SETTINGS PAGE)
Web Access Select HTTP or secure HTTPS protocol for Web Access
Web Port By default, HTTP uses port 80 and HTTPS uses port 443. This field is for customizable
web port.
End-user Password This contains the password to access the End-user Web Configuration Menu (Status and
Basic Settings). This field is case sensitive with a maximum length of 25 characters.
IP Address There are two modes to operate the GXW410x:
DHCP mode: all the field values for the Static IP mode are not used (even though they are
still saved in the Flash memory.) The GXW410x acquires its IP address from the first
DHCP server it discovers from the LAN it is connected.
Using the PPPoE feature: set the PPPoE account settings. The GXW410x 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.
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
Grandstream GXW410x.
PPPoE account ID PPPoE user name. 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.
Preferred DNS server This field will let the user enter a preferred DNS server to be used instead of the one
acquired by the service provider.
Time Zone Controls how the date/time is displayed according to the specified time zone.
Allow DHCP Option 2
to override Time Zone
Settings
Default is No. If set to Yes, time zone settings will originate from the DHCP server.

Daylight Savings Time This parameter controls whether the displayed time will be daylight savings time or not. If
set to “Yes” and the Optional Rule is empty, then the displayed time will be 1 hour ahead
of normal time. The “Automatic Daylight Saving Time Rule” shall have the following syntax:
start-time;end-time;saving
Both start-time and end-time have the same syntax:
Month ,day ,weekday ,hour ,minute
month: 1,2,3,..,12 (for Jan, Feb, .., Dec)
day: [+|-]1,2,3,..,31
weekday: 1, 2, 3, .., 7 (for Mon, Tue, .., Sun), or 0 which means the daylight saving rule is
not based on week days but based on the day of the month.
hour: hour (0-23),
minute: minute (0-59)
If “weekday” is 0, it means the date to start or end daylight saving is at exactly the given
date. In that case, the “day” value must not be negative.
If “weekday” is not zero and “day” is positive, then the daylight saving starts on the first
“day”th iteration of the weekday (1st Sunday, 3rd Tuesday etc). If “weekday” us not zero
and “day” is negative, then the daylight saving starts on the last “day”th iteration of the
weekday (last Sunday, 3rd last Tuesday etc). The saving is in the unit of minutes. The
saving time may also be preceded by a negative (-) sign if subtraction is desired instead of
addition. The default value for “Automatic Daylight Saving Time Rule” shall be set to
“03,11,0,02,00;11,04,0,02,00;60” which is the rule for US.
Examples:
US where daylight saving time is applicable: 03,11,0,02,00;11,4,0,02,00;60
This means the daylight saving time starts from 11th March at 2AM and ends November 4th
at 2AM. The saving is 60 minutes (1hour).
You may also access the Device Status page which provides details of the GXW product. The Device
Status page terms are defined in Table 7: Status Page Definitions.
TABLE 7: STATUS PAGE DEFINITIONS
Hardware Revision Hardware version number: Main Board, Interface Board
MAC Address The device ID in HEX format. This is a very important ID for ISP troubleshooting.
IP Address This field shows WAN IP address of GXW410x
Product Model This field contains the product model info (GXW4104 or GXW4108)
Software Version Program: This is the main software release. Boot and Loader are not changed often.
System Up Time This field shows system up time since the last reboot.
Registered This field indicates whether the different SIP Accounts configured under Channels page
are successfully registered to the SIP server(s).

FXO Line Connected This field will give the status of each physical FXO Line connected to the Gateway. It will
update the status regularly.
Yes - Connected and Idle
Busy - Connected and Busy
No - Not connected
Additionally it will also provide real time Caller ID information of Incoming as well as
Outgoing calls.
PPPoE Link Up This field shows whether the PPPoE connection is running if connected to DSL modem.
Detected NAT Type This field shows what kind NAT the GXW410x is connected to via its WAN port. It is
based on STUN protocol.

ADVANCED USER SETTINGS
ADVANCED USER CONFIGURATION
The end-user needs to login to the advanced user configuration page the same way as for the basic
configuration page.
Advanced User configuration includes the end-user configuration and advanced configurations including:
SIP configuration, Codec selection, NAT Traversal Setting and other miscellaneous configuration.
TABLE 8: ADVANCED CONFIGURATION PAGE DEFINITIONS
Admin
Password
Administrator password. Only the administrator can configure the “Advanced Settings” page.
Password field is purposely left blank for security reasons. The maximum password length is 25
characters.
G723 Rate G723 encoding rate (6.3kbps or 5.3kbps)
Voice Frames
per Tx
This field contains the number of voice frames to be transmitted in a single packet. When setting
this value, the user should be aware of the requested packet time (used in SDP message) as a
result of configuring this parameter. This parameter is associated with the first vocoder in the
above vocoder Preference List or the actual used payload type negotiated between the 2
conversation parties at run time.
For example if the first vocoder is configured as G723 and the “Voice Frames per TX” is set to be
2, then the “ptime” value in the SDP message of an INVITE request will be 60ms because each
G723 voice frame contains 30ms of audio. Similarly, if this field is set to be 2 and if the first
vocoder chosen is G729 or G711 or G726, then the “ptime” value in the SDP message of an
INVITE request will be 20ms.
If the configured voice frames per TX exceeds the maximum allowed value, the gateway will use
and save the maximum allowed value for the corresponding first vocoder choice. The maximum
value for PCM is 10(x10ms) frames; for G726, it is 20 (x10ms) frames; for G723, it is 32 (x30ms)
frames; for G729/G728, 64 (x10ms) and 64 (x2.5ms) frames respectively.
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. Its range lies from 0 to 63.
Layer 2 QoS This contains the value used for layer 2 VLAN tag.
802.1q / VLAN tag: Default value is 0. Range lies from 0 to 4095.
802.1p Priority value: Default value is 0. Range lies from 0 to 7.
*** The above 2 settings need to be supported on the network and then configured accordingly on
the GXW410x. Incorrect configuration will cause blocked access, which will result in Factory Reset
as the only option to renew access.
Local RTP port This parameter defines the local RTP-RTCP port pair the GXW410x will listen and transmit. It is
the base RTP port for channel 0. When configured, channel 0 will use this port _value for RTP and
the port_value+1 for its RTCP; channel 1 will use port_value+2 for RTP and port_value+3 for its
RTCP and so on. The default value is 5004.
Use Random
Port
This parameter, when set to Yes, will force random generation of both the local SIP and RTP ports.
This is usually necessary when multiple GXW410xs are behind the same NAT.
Keep-alive
interval
This parameter specifies how often the GXW410x sends a blank UDP packet to the SIP server in
order to keep the “hole” on the NAT open. Default is 20 seconds.
Use NAT IP NAT IP address used in SIP/SDP message. Default is blank.

STUN Server IP address or Domain name of the STUN (Simple Traversal of UDP through NATs) server.
Firmware
Upgrade &
Provisioning
This radio button will enable GXW410x to download firmware or configuration file through either
TFTP or HTTP.
Via TFTP Server If selected, the GXW410x will attempt to retrieve new configuration file or new code image from the
specified TFTP server at boot time. It will make up to 5 attempts before 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 will be verified and then
saved into the Flash memory.
Note: Please do NOT interrupt the TFTP upgrade process (especially the power supply) as this will
damage the device. Depending on the network environment this process can take up to 25 or 30
minutes.
Via HTTP Server The URL for the HTTP server used for firmware upgrade and configuration via HTTP.
For example, http://provisioning.mycompany.com:6688/Grandstream/
Here “:6688” is the specific TCP port that the HTTP server is listening at, it can be omitted if using
default port 80.
Note: If Auto Upgrade is set to No, GXW410x will only do HTTP download once at boot up.
Firmware Server
Path
IP address or domain name of firmware server.
Config Server
Path
IP address or domain name of configuration server.
Firmware File
Prefix
Default is blank. If configured, GXW400X will request firmware file with the prefix. This setting is
useful for ITSPs. End-user should keep it blank.
Firmware File
Postfix
Default is blank. End-user should keep it blank.
Config File
Prefix
Default is blank. End-user should keep it blank.
Config File
Postfix
Default is blank. End-user should keep it blank.
Allow DHCP
Option 66 to
override server
Default value is No. If set to Yes, configuration file will originate from the DHCP server.
Automatic
Upgrade
Choose Yes to enable automatic upgrade and provisioning. In “Check for new firmware every”
field, enter the number of minutes to enable GXW410x to check the server for firmware upgrade or
configuration. When set to No, GXW410x will only do upgrade once at boot up. Other options are:
“ Always check for New Firmware.”
“ Check New Firmware only when F/W pre/suffix changes”
“ Always skip the Firmware check”
Authenticate
Conf File
If set to Yes, configuration file is authenticated before acceptance. This protects the configuration
from an unauthorized change.

DTMF Payload
Type
This parameter sets the payload type for DTMF using RFC2833. Default is 101.
Syslog Server The IP address or URL of System log server. This feature is especially useful for ITSP (Internet
Telephone Service Provider)
Syslog Level Select the ATA 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
NTP server URI or IP address of the NTP (Network Time Protocol) server, which will be used by the phone to
synchronize the date and time.
Allow DHCP
Option 42 to
override an NTP
server
Default value is No. If set to Yes, the NTP server will originate from the DHCP server.
Enable Video
Surveillance
When set to Yes, GXW410x will start converting video feed received from analog camera to IP
packets. In order to view this video feed, please follow instructions given under Video Surveillance
chapter on page 23.
RTSP Port By default it is 554.

CONFIGURING THE FXO CHANNELS
Configuring the FXO channels on the GXW410x gateway is an easy process. Follow the GUI interfaces.
The Device Status page terms are defined in Table 9: FXO Lines Configuration Definitions. An
example of the Channel Dialing Configuration is shown in Figure 6. Please note the default is always
configured. The user has the option to change the default settings as described in the Table 9.
TABLE 9: FXO LINES CONFIGURATION DEFINITIONS
Syntax for Channel Specific Settings:
Default: ch1-8:X; {all channels 1 to 8 are set to use value X}
Additional Examples:
ch1,3-6:10;ch2,7-8:12 {channels 1,3,4,5 and 6 are set to use value 10 while channels 2,7 and 8
are set to use value 12.
Enable Current
Disconnect
When set to Y, Current Disconnect is enabled. Certain PSTN COs require this to be enabled, in
order to realize disconnect signal from PSTN side. Default is Y.
If enabled use threshold: Default is 100ms. Range is 40ms to 800ms.
Certain PSTN service providers have a threshold time within which the line stabilizes after off-
hook. It is entirely dependent on provider, however if you experience PSTN line detection issues,
please modify this setting appropriately in 100ms increments.
If you are not sure if this option should be enabled please refer to Table 10 (FXO Lines Test Tab
Definition). This tool will run an automated test to determine the proper PSTN configuration that
the gateway should have to work with your Service Provider or analog PBX.
Enable Tone
Disconnect
Default is No. If PSTN provider uses call progress tones then it should be set to Yes in order to
realize disconnect tone. Please configure accurate Call Progress Tones on Channels web page
based on PSTN provider (or traditional PBX) settings.
If you are not sure if this option should be enabled or what Call Progress Tones are required
please refer to Table 10 (FXO Lines Test Tab Definition). This tool will run an automated test to
determine the proper PSTN configuration that the gateway should have to work with your Service
Provider or analog PBX.
Enable Polarity
Reversal
Default is No. This should be set to Yes only if the FXO lines are subscribed to PR service from
PSTN Service provider. It is merely a PR detect feature.
***Note: If there is no PR service from provider on the FXO line, and this setting is configured to
Yes, calls will not be successful.
Silence Timeout Terminate call after long silence detected. Default is 60 seconds, max 65536.
AC Termination
Impedance
Selects the impedance of the analog line connected to the FXO port on the GXW410x. Here is
some basic information which may be helpful for initial configuration:
600 Ohm – North America;
270 Ohm + (750 Ohm || 150 nF) -- Most of Europe
220 Ohm + (820 Ohm || 120 nF) – Australia, New Zealand
220 Ohm + (820 Ohm || 115 nF) – Austria, Bulgaria, Germany, Slovakia, South Africa
370 Ohm + (620 Ohm || 310 nF) – UK., India
If this parameter is not configured properly you may experience echo or noise in the line. Please
refer to Table 10 (FXO Lines Test Tab Definition). This tool will run an automated test to
determine the correct impedance value to match your lines.