Failover SIP Trunk Setup: 3CX PBX

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  • Failover SIP Trunk Setup: 3CX PBX
  • Failover SIP Trunk Setup: 3CX PBX


    1. Select "SIP Trunks"

    2. Select + Add SIP Trunk

    3. Select Voxtelesys

    • Select Country: US
    • Select Provider in your Country: Voxtelesys
    • Main Trunk No: Your Vox Number

    4. Fill in Trunk Information

    • Enter name for Trunk: Voxtelesys IP
    • Registrar/Server/Gateway Hostname or IP: IP From Voxtelesys
    • Number of SIM Calls: Call limit with Voxtelesys
    • Type of Authentication: Do not require - IP Based
    • Authentication ID: Leave Blank
    • Authentication Password: Leave Blank

    Match any other properties to your existing Voxtelesys Trunk

    5. Match Inbound rules

    You will now need to match your inbound rules on the IP Trunk.

    6. Add Failover Outbound Route

    You will now need to add the IP Trunk as a failover on the outbound rules.


    If you need help configuring your trunk or inbound numbers check out the guides below! More Voxtelesys Portal Guides here!

    For more 3CX Guides, click here!