Media5 Mediatrix C7 and 4100 - Wiki

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Media5 Mediatrix C7 and 4100

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“Updated October 2021: Recent changes to infrastructure now require a 20ms ptime setting on some POPs. If you encounter no audio problems, refer to section Configuring ptime 20ms for G.711 u-law codec


Connecting the Mediatrix device to your network

The Mediatrix C7 and Mediatrix 4100 series have two Ethernet ports:

  • ETH1 (or WAN in the 4102): connect the unit to your network through this port, it is set to get an IP address from a DHCP server.
  • ETH2 (or LAN in the 4102): by default it has IP, this port can be used to directly manage the device.

If the Power LED is on, the device has an IP address, in such case:

  • Connect a phone to one of the telephony ports and Dial: *#*0
  • The system will playback the IP address the device has (Example:

If the Power LED is blinking, the unit has not received an IP address.

  • Check the network cable
  • Check if the port in your network switch is active
  • If the problem remains then use the second Ethernet port to directly connect your computer to the unit.

Connecting to the Mediatrix GUI for the first time

Using your favorite web browser from a computer on the same network, open the IP address the device got from the DHCP server.Example:

  • Default username: public
  • Default passowrd: <Empty> (no password by default)


Setting the server FQDN

  • Go to SIP
  • Go to Servers sub-menu
  • In the Registrar host field, enter the registrar FQDN associated to your account. Example:
  • In the Proxy host field, enter the proxy FQDN associated to your account. Example:
  • Click Apply

Mediatrix SIP servers menu.png

Restarting required services

After setting the servers in the SIP --> Servers sub-menu a services restart is required in order to correctly apply the new parameters:

  • Click on the restart required services link at the top of the page

Mediatrix restart services.png

Enabling the telephony ports registration

  • Go to SIP
  • Go to Registrations sub-menu
  • For each analog port to register:
    • In the Username column, enter the associated account/sub-account username, example: 123456_ac01
    • In the Friendly Name column, enter the name you want to present when placing calls (not mandatory)
    • In the Register column, select Enable from the drop-down list
  • Click Apply
    Depending on the model and the number of lines, you may configure 1 to 24 ports

Mediatrix credentials 01.png

Setting the credentials

  • Go to SIP
  • Go to Authentication sub-menu
  • Click on Edit All Entries
  • For each registration entry:
    • Set Criteria to Endpoint
    • In the Endpoint dropdown list, select the telephony port to register
    • Set Validate Realm to Disable
    • In the Username field, enter the account/sub-account username, example: 123456_ac01
    • In the Password field, enter the account/sub-account password
  • Click Apply & Refresh Registration

Mediatrix credentials 02.png

Setting the the Auto-Routing to support username format

  • Go to Call Router
  • Go to Auto-routing
  • Make sure that Auto-routing is set to Enable
  • In Criteria Type, select SIP Username from the dropdown list
  • Click Apply

Mediatrix Call Router 01.png

Validating that the Call Router is correctly set

  • Go to Call Router
  • Go to Status sub-menu
  • In the Route table, under Type column, make sure that the Auto routes are present
  • At this point you should be able to place and receive calls through your device

Mediatrix Call Router 02.png

Disabling G.711 a-law codec (North America)

  • Go to Media
  • Go to Codecs sub-Menu
  • Disable G.711 a-law for both Voice and Data
  • Click Apply
  • A services restart will be required

Mediatrix Codecs Setup.png

Configuring ptime 20ms for G.711 u-law codec

  • Go to Media
  • Go to Codecs sub-Menu
  • Click on the pencil under Advanced corresponding to G.711 u-law
  • New windows appear with the ptime settings
  • Set the Minimum Packetization time to 20ms and the Maximum Packetization Time to 30ms
  • Click on Apply


Setting Dial Patterns (DTMF Maps)

In order to be able to use feature codes (e.g. *97 for voicemail), the proper DTMF map must be added to the Mediatrix configuration.

  • Go to Telephony
  • Go to DTMF Maps sub-menu.
  • In the second row of the table:
    • In the DTMF Map field, enter *xx
    • In the Transformation field, enter x
  • Click Apply


Setting a time server

If your DHCP server does not provide an SNTP Server, you can configure it manually.

  • Go to Network
  • Go to Host sub-menu
  • Scroll down to the SNTP Configuration table
  • In SNTP Configuration Source, select Static from the drop down list
  • In the Primary SNTP field, enter, or any known, and reachable, SNTP server.
  • Click Apply

Mediatrix SNTP Server.png

Reference material

You can always refer to the Mediatrix official guides to correctly set your unit:

Specific Technical Bulletins:

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