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Grandstream GWX40xx FXS

The Grandstream GXW40XX provides FXS - to ring your old analog phone sets We are assuming here that this is on a LAN and you have configured a few Wifi boxes and can get it set up with an IP address.

The sane way to set it up is via a web browser. If you plug it in it will get an IP from DHCP - find the IP in the logs and connect with your favorite browser.

Upgrade first

You likely will want to upgrade to the latest firmware version (1.0.10.9 as of 2013-09)- this means having a TFTP server up and running or figuring out how to make it work with grandstream's site.

The unit will assume the root directory of your TFTP - You can use the Firmware File Prefix to set the name of a directory - such as GXW410x.1.4.1.4/ and put the firmware goodies you get from grandstreams web sit in it. A similar procedure is used to restore saved config files as described below.

In Debian this means installing tftpd-hpa then edit /etc/default/tftpd-hpa Change the TFTP_OPTIONS line to:

TFTP_OPTIONS="--secure -vvvv"

This will provide a bit of logging to /var/log/syslog -- you can change it back after you have everything working.

Once you have your firmware up-to-date don't change any thing not listed here.

Setup

In the setup -

Profile1

Primary SIP server ( set to the FS server IP address)

FXS Ports

For each port(or line number on the box):

- SIP USER ID (user ID from the FS directory_
- Authenticate ID (same ID again)
- Password (as set in the FS directory again)
- Name ( - appears as caller ID)
- Profile ID ( set to Profile 1)
- Hunting group (none)
- Enable port (yes)

below for each line number:

Valid Line# (set to 1)
IP of FS server

FS config

In /etc/freeswitch/directory/default/grandstream In between an <include> </include> pair - For each line create something similar to:

  <user id="13">  
    <params>
      <param name="password" value="grandstream"/>
    </params>
    <variables>
      <variable name="toll_allow" value="domestic,international,local"/>
      <variable name="accountcode" value="password"/>
      <variable name="user_context" value="default"/>
      <variable name="effective_caller_id_name" value="FAX"/>
      <variable name="effective_caller_id_number" value="13"/>
      <variable name="outbound_caller_id_name" value="$${outbound_caller_name}"/>
      <variable name="outbound_caller_id_number" value="$${outbound_caller_id}"/>
      <variable name="callgroup" value="default" />
    </variables>
  </user>

Backup your config

Advanced settings - way at the bottom

Hit the download button - which will do a file dialog to save your config. This file should be renamed as below

Restore your config

You can set up your TFTP server in a similar way as for getting software updates to get this file that you renamed cfg000b82123456 where the digits after cfg are the mac address of your grandstream unit.

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