A PBX gateway has been marked as less-preferred. Gateway name: %1 Response Code: %2 Consecutive Failure occurrences: %3 Cause: ...

A PBX gateway has been marked as less-preferred.

Gateway name: %1
Response Code: %2
Consecutive Failure occurrences: %3
Cause: The gateway responded with the same failure response multiple consecutive times and is being marked as less-preferred.
Resolution:
Verify that the gateway is functioning correctly.