Setup Failover SIP Trunk: 3CX PBX

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


    1. Select "SIP Trunks"

    2. Select "Add SIP Trunk"

    3. Select Voxtelesys

    • Select Country US
    • Select Provider Voxtelesys
    • Main Trunk Number Your Vox Number

    4. Fill in Trunk Info

    • Enter name for Trunk: Voxtelesys IP
    • Registrar/Server/Gateway: 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

    Guide for Inbound rules

    Guide for bulk Inbound rules

    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!

    3CX Guides