What are the Q.931 Release Codes that OneStopTel provides through VoIP connectivity?
Whenever call handling is initiated, OneStopTel forwards to the incoming party the Q.931 code returned by the terminating party. In most cases, that would be code 16 (‘Normal Call Clearing’), but please note that this is not the only one. Whenever call handling is not initiated, OneStopTel returns Q.931 code 34 (‘No circuit/channel available’), so that call route advances to client’s next routing alternative.