How to Configure the VoIP in Alcatel Pbx

Written by jonah quant
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How to Configure the VoIP in Alcatel Pbx
Alcatel PBXs can connect their users seamlessly to VoIP networks. (customer service image by gajatz from

Business telephone systems typically handle a combination of multiple traditional phone lines and connections to Voice-over-Internet-Protocol (VoIP) networks. Those systems are largely implemented by Private Branch Exchanges (PBXs): specialised computers that multiplex a limited number of lines over many possible users and provide special services like voicemail, connections inside the company and call forwarding. A telephone system administrator can easily configure a PBX of the Alcatel brand so that it connects user calls to VoIP networks in a seamless way.

Skill level:

Things you need

  • Card to connect the Alcatel PBX to the specific type of boot that will carry the VoIP calls (e.g., ISDN or T1)
  • Administrator access to the PBX

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  1. 1

    Log in to the PBX's administrative interface. Select "Shelf," then "Board," then "Create object." Select the type of card you will use to connect the PBX to the VoIP trunk.

  2. 2

    Select "Trunk groups," then create a new trunk group named "VoIP." Make a note of the number of the new trunk group. Set "B channel choice=yes" for the new trunk group. Select "Access," then "Create" to create a card object. Select the new card. This will link it to the new trunk.

  3. 3

    Select "Shelf," then "Board," then "Digital access set." Set both "Network mode" and "CRC4" to "yes."

  4. 4

    Select "Translator," then "Prefix plan." Set "Open routing no." to the first digit people will dial before the number for a VoIP call, then set "Node number" to the number of the new trunk group you just created.

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