Failed to Make Outbound Calls from Dstny SIP trunk

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Applicability

  • Model: P-Series (Including cloud PBX)
  • Firmware version: Any 

 

Symptom

Failed to Make Outbound Calls from Dstny SIP trunk. The pcap log shows PBX get 603 declined from SIP trunk server.

 

Solution

Configure the Outbound caller ID with a number like the line number or DID number for the SIP trunk PBX.

 

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