The following are the error codes returned along with the individual error messages. These error codes will help you debug

Result CodeDescription
6101Voice not supported
6102Media Request Failed
6104TTS request failed
6107Error doing text to speech conversion
6119Application not found
6110Play request pending
6112Error in creating bridge
Failed to play voice menu on the bridge (6110)
Call is in bridged mode, can’t play media (6110)
Failed to start recording on bridge (6112)
6120Phone number not found for the service
6125Failed to add channel to bridge
407Auth Token Wrong/Not Found
511More Authentication Required