3CX SIP Trunking

3CX SIP Trunking

Configuring a SIP Trunk in 3CX for Primevox


Step 1:
  1. Create a new SIP Trunk in 3CX by going to SIP Trunks → Add SIP Trunk.
  2. Country: Generic
  3. Provider: Generic SIP Trunk
  4. Main Trunk Number: (a DID you might have with us)
 
Step 2 (General Tab):
  1. Registrar: trunking.primevox.net
    1. Auto-Discovery: YES (required)
  2. Outbound Proxy: trunking.primevox.net
    1. Auto-Discovery: YES (required)
  3. Type of Authentication: Register / Account Based
  4. Authentication ID: (the SIP Username given to you by a PrimeVOX Technician)
  5. Authentication Password: (the SIP Password given to you by a PrimeVOX Technician)
​
 Step 3 (DIDs / CallerID Tabs):
  1. CallerID/DIDs must have a Country Code.
    1. The "+" is not necessary, and not recommended. 
  2. Example: 19726001150
​
Step 4 (Options Tab) 
  1. Re-Register Timeout: 180 Seconds
  2. Transport Protocol: TCP
​
Step 5 (Outbound Parameters Tab)
  1. "Contact : User Part" = Custom Field (leave the field empty)
 

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