3CX (V20) | SIP Trunk Setup

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  • 3CX (V20) | SIP Trunk Setup
  • 3CX (V20) | SIP Trunk Setup

    1. Log in to 3CX

    2. Navigate to the 3CX Admin Console

    3. Select Voice & chat

    4. Select + Add Trunk

    5. Configure the General settings

    Get the SIP Trunk's information (retrieve it from the Voxtelesys Portal):

    • Country: US
    • Trunk: Voxtelesys
    • Main trunk number: Fill in the Voxtelesys SIP Trunk number in the E164 format.
    • Authentication ID (SIP User ID): From Voxtelesys
    • Authentication password: From Voxtelesys

    6. Set the Default Outbound Caller ID

    • Default Outbound Caller ID: Set the number in the E164 format as the example shows.

    7. Configure DID Numbers (optional)

    Optional - Add more DID numbers here:

    8. Configure SMS settings (optional)

    Optional - Enable SMS here:

    9. Verify SIP Trunk's Registration

    Save and verify that the Voxtelesys SIP Trunk registered.