SIP Trunking

    Switchvox: Connect a SIP Trunk

    The VoIP Help Page Team·2 min read·Last updated: March 14, 2026

    ### Scope

    This article outlines how to configure a SIP trunk between your hosted PBX and a Switchvox instance.

    Requirements

    • Access to the Switchvox PBX admin panel
    • SIP trunk information ( Create a SIP Trunk); Use IP-based authentication with the static IP address for the Switchvox PBX

    Connect A SIP Trunk

    1. 1

      Log into the Switchvox admin panel.

    2. 2

      Navigate to Setup > VOIP providers

    3. 3

      Click Create SIP Provider:

      1. 1
        Provider Name: <Provider's Name>
      2. 2
        Account ID: <Caller ID Number>
      3. 3
        Hostname: <Domain Name>
    4. 4

      Click Save SIP Provider

    5. 5

      Locate the SIP provider you just created and click the pencil icon

    6. 6

      Navigate to Caller ID Settings and configure the following:

      1. 1
        Caller ID Name: <Number associated with the SIP trunk>
      2. 2
        Caller ID Name: <Number associated with the SIP trunk>
    7. 7

      Navigate to Connection Settings and configure the following:

      1. 1
        SIP Port: 5060
      2. 2
        SIP Expiry (In seconds): 120
      3. 3
        Proxy Host: sbc.ucaasnetwork.com
      4. 4
        Authentication User: <Number associated with the SIP trunk>
      5. 5
        Always Trust This Provider: Yes
      6. 6
        Qualify Hosts: No
      7. 7
        Include user phone in SIP: Yes
      8. 8
        Use Local Address In From Header: No
      9. 9
        SIP Transport: UDP
    8. 8

      Click Save SIP Provider

    9. 9

      Navigate to Setup > Incoming Calls

    10. 10

      Click Single DID Route

    11. 11

      Configure the following values. All other settings can be left empty:

      1. 1

        Rule Name: <Name for the rule>

      2. 2

        Incoming Provider: <Provider name configured in step 3a>

      3. 3

        Incoming Call Type: Voice Calls

      4. 4

        Extension to Route Call: <Extension you'd like calls to go to>

        Single DID Route Settings

    12. 12

      Click Save Single DID Route

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