This configuration note explains how to configure Mediatrix units in a PBX Remote Line Extension scenario.
With VoIP, the distance limitation of extending copper wire from a PBX to a remote location is no longer an issue. Small remote branch offices (SOHOs) can now have existing analog phones installed at the remote site as analog extensions of the PBX system at the Main Office.
In this scenario, we consider that 4 extensions of the PBX need to be relocated to a remote site. Therefore,
The routes are configured on the FXO unit, and the FXS port, corresponding to a phone extension, are configured on the FXS units.
Before starting to use these configuration notes, complete the following table to make sure you have the required information to complete the different steps.
If you are not familiar with the meaning of the fields and buttons, click Show Help, located at the upper right corner of the Web page. When activated, the fields and buttons that offer online help will change to green and if you hover over them, the description will be displayed.
The Mediatrix unit must be reinitialized to its factory default settings to make sure the configuration can be successfully executed.
|Information||Value||Used in Step|
|IP address used by your Mediatrix unit to communicate with the Management
||Use this value 192.168.0.10||Logging on to the Mediatrix Unit Web Interface|
||Logging on to the Mediatrix Unit Web Interface|
|IP address of the FXO Mediatrix unit||Linking the FXS Unit to the FXO Unit|
|IP address of the FXS Mediatrix unit||Linking the FXO Unit to the FXS Unit|
You may not be able to log on to the Mediatrix unit Web interface if you are using older browser versions. The computer's network card must be on the same subnet as the Mediatrix unit.
You can also use public as a username and leave the password field empty. it has the full administration rights by default.
The endpoints that are used have a defined User Name. By default unused endpoints are disabled.
The URI is made up of the sip prefix, the extension number, and of the IP address of the target FXS Mediatrix unit that has this extension configured, for example: sip:email@example.com
An FXO endpoint can only be linked to one FXS endpoint, and vice versa.
It allows the Mediatrix unit to wait for a dial tone before initiating the dialing sequence. If no dial tone is detected, the line is considered busy.
Not all PBX manufacturers produce the country dial tone on the extension line. If this is the case, make sure the Dial Tone Detection Mode is disabled, otherwise the Mediatrix unit will not output dialed digits.
Not all PSTN switches produce the country dial tone on the PSTN line. If this is the case, make sure the Dial Tone Detection Mode is disabled, otherwise the Mediatrix unit will not output dialed digits.
If the PBX does not pass the caller ID to the Mediatrix unit, you can reduce the Wait Before Answering Delay to 2500 to reduce the time before the Mediatrix unit goes off-hook upon ring detection.
Verify with your PBX supplier what tone (exact frequency and cadence) the PBX produces on the extension when the far end is disconnected.
Mediatrix units are supplied with an exhaustive set of documentation.
Mediatrix user documentation is available on the Documentation Portal .
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