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FreePBX: Connect a SIP Trunk

S
Written by Support
Updated over 2 months ago

Scope:

The following steps will allow you to create a SIP Trunk with your hosted PBX for use on the FreePBX platform using IP-based authentication.

Requirements:

  • This has been tested on version 13.0.190.1

  • Administrator privileges to the web console

  • Static IP provided of FreePBX

  • SIP trunk information (see Create a SIP Trunk)

Create SIP Trunk

  1. Using Chrome or Firefox navigate to the web console of the PBX.

  2. Click on FreePBX Administration.
    ​

  3. Log in with your administrator credentials.

  4. From the navigation at the top select Connectivity and then Trunks.
    ​

  5. Click on + Add Trunk and then + Add (chan_sip) Trunk.
    ​

  6. Trunk Name: Hosted PBX
    ​

  7. Click on the tab for sip Settings.
    ​

  8. On the tab for Outgoing fill out the following details

    • Trunk Name: pbx-out

    • PEER Details:

      type=peer
      trustrpid=yes
      session-timers=refuse
      rfc2833compensate=yes
      qualify=no
      outboundproxy=core1-c7-slc.pbx.io
      nat=no
      insecure=port,invite
      host=core1-c7-slc.pbx.io
      fromdomain=xxxxx
      dtmfmode=rfc2833
      disallow=all
      context=from-pstn
      canreinvite=no
      allow=ulaw

    • Replace xxxxx with your domain.

  9. On the tab for Incoming fill out the following details.

    • USER Context: pbx-in

    • USER Details:

      type=user
      outboundproxy=core1-c7-slc.pbx.io
      host=core1-c7-slc.pbx.io
      fromuser=xxxxx
      fromdomain=xxxxx

    • Replace xxxxx with your domain

  10. Click Submit.
    ​

  11. You will will receiving a popup. Click OK
    ​

  12. Click Apply Configuration.
    ​

Configure Inbound Routes

  1. Click on Connectivity then Inbound Routes.
    ​

  2. Click + Add Inbound Route
    ​

  3. Under General enter the following:

    • Description: A descriptive name for the route (i.e. Main number)

    • DID Number: This needs to be your 10 digit number

    • Set Destination: Choose any destination. This is typically an extension or ring group.
      ​

  4. Click Submit.

Repeat the above steps for all numbers on this SIP trunk

Configure Outbound Routes

  1. Click on Connectivity then Outbound Routes.
    ​

  2. Click + Add Outbound Route.
    ​

  3. Under Route Settings enter the following:

    • Route Name: Enter any description for the route such as Default

    • Route CID: Enter your outbound caller ID. This must be a number configured on the trunk

    • Trunk Sequence for Matched Routes: Select the trunk created from the first section.
      ​

  4. Under Dial Patterns create entries for the following match patterns:

    • 1NXXNXXXXXX

    • NXXNXXXXXX

    • [3-9]11
      ​

    • Optional for International Long Distance: 011.

  5. Click Submit
    ​

  6. Click Apply Configuration.

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