AudioCodes Mediant 500 E-SBC User Manual page 382

ISDN Release
Reason
95 Invalid message
Mandatory information element is
96
missing
Message type non-existent or not
97
implemented
Message not compatible with call state
98 or message type non-existent or not
implemented
Information element non-existent or not
99
implemented
100 Invalid information elements contents
101 Message not compatible with call state
102 Recovery of timer expiry
111 Protocol error
127 Interworking unspecified
* Messages and responses were created because the 'ISUP to SIP Mapping' draft doesn't
specify their cause code mapping.
User's Manual
Description
382
Mediant 500 E-SBC
SIP
Description
Response
503 Service unavailable
409* Conflict
480* Temporarily not available
409* Conflict
480* Not found
501* Not implemented
503* Service unavailable
408 Request timeout
500 Server internal error
500 Server internal error
Document #: LTRT-10437