| Q931 Codes |
DASS2 Codes |
Q931 Description |
SIP Event |
|---|---|---|---|
| 1 | 0 | Unallocated number | 404 Not found |
| 2 | 3 | No route to specified transit network | 404 Not found |
| 3 | 3 | No route to destination | 404 Not found |
| 5 | 11 | Channel unacceptable | 502 Bad gateway |
| 6 | 11 | Channel unacceptable | 502 Bad gateway |
| 7 | 50 | Call delivered in busy channel | 502 Bad gateway |
| 17 | 8 | User busy | 486 Busy Here |
| 18 | 31 | No user responding | 502 Bad Gateway |
| 19 | 31 | No answer user alerted | 502 Bad Gateway |
| 21 | 11 | Call rejected | 403 Forbidden |
| 22 | 5 | Number changed | 502 Bad gateway |
| 26 | 45 | Non selected user clearing | 403 Forbidden |
| 27 | 46 | Destination out of order | 502 Bad gateway |
| 28 | 1 | Invalid format address incomplete | 502 Bad gateway |
| 29 | 21 | Facility rejected | 502 Bad gateway |
| 30 | 20 | Response to status enquiry | 502 Bad gateway |
| 31 | 2 | Normal clearing | 502 Bad gateway |
| 38 | 9 | Network out of order | 502 Bad gateway |
| 41 | 9 | Temporary failure | 502 Bad gateway |
| 42 | 7 | Switching equiment congestion | 503 Service unavailable |
| 44 | 7 | Request circuit channel not available | 502 Bad gateway |
| 47 | 47 | Resource unavailable | 502 Bad gateway |
| 49 | 7 | Quality of service not available | 502 Bad gateway |
| 58 | 7 | Bearer capability not available | 502 Bad gateway |
| 50 | 6 | Facility not subscribed | 502 Bad gateway |
| 57 | 6 | Bearer capability not subscribed | 502 Bad gateway |
| 63 | 6 | Service / option not available | 502 Bad gateway |
| 65 | 6 | Bearer capability not implemented | 502 Bad gateway |
| 66 | 6 | Channel type not implemented | 502 Bad gateway |
| 69 | 6 | Facility not implemented | 502 Bad gateway |
| 70 | 6 | Only RDI bearer capability is available | 502 Bad gateway |
| 79 | 6 | Service / option not implemented | 502 Bad gateway |
| 81 | 18 | Invalid call reference value | 502 Bad gateway |
| 82 | 51 | Identified channel does not exist | 502 Bad gateway |
| 83 | 26 | Bad call identity for suspended call | 502 Bad gateway |
| 84 | 51 | Call identity in use | 502 Bad gateway |
| 85 | 51 | No suspended call | 502 Bad gateway |
| 86 | 51 | Call with call identity does not exist | 502 Bad gateway |
| 88 | 19 | Incompatible destination | 502 Bad gateway |
| 91 | 2 | Invalid transit network specified | 502 Bad gateway |
| 95 | 51 | Invalid message unspecified | 502 Bad gateway |
| 96 | 26 | Mandatory IE missing | 502 Bad gateway |
| 97 | 26 | Message type not implemented | 502 Bad gateway |
| 98 | 51 | Message not compatible with call state | 502 Bad gateway |
| 99 | 26 | IE not implemeneted | 502 Bad gateway |
| 100 | 26 | Invalid IE content | 502 Bad gateway |
| 101 | 51 | Message not compatible with call state | 502 Bad gateway |
| 102 | 46 | Recovery on timer expiry | 502 Bad gateway |
| 111 | 51 | Protocol error | 502 Bad gateway |
| 127 | 21 | Internetworking unspecified | 502 Bad gateway |