Troubleshooting DID Numbers

Troubleshooting DID Numbers

If calls to the DIDs you configured are not forwarded as expected:

  1. Click on the “Activity Logs” option in the “Dashboard” of the 3CX Admin Console to see current server activity and log entries for received calls and their destination number.
  2. Call a configured DID number while monitoring the “Activity Log” for a line similar to:
    Incoming call from “10000” to <sip:789456123@3CXPhone System>
     where “10000” is the internal number of the line configured to receive calls from the VoIP gateway or VoIP provider and 
    <sip:789456123@3CXPhone System>
     is the content of the “To” header of the INVITE, i.e. the intended recipient. Note: The “Logging level” can be set in “Activity Log” > “Settings” to “Medium” or “Verbose” to see additional messages.
  3. Analyze the “To” header carefully to ensure that the configured DID number is present in the header, e.g. 
    <sip:789456123@3CXPhone System>
    . Some providers use the “Request Line URI” field.
  4. Reconfigure the number if needed.

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