When a call gets disconnected or rejected with a SIP error code, MPP internally maps the SIP error code with the corresponding call completion code. Refer to the following table for the list of the call completion codes and their corresponding SIP error codes.
|
SIP error code |
Call completion code |
|---|---|
|
401 unauthorized |
Not Routed |
|
402 Payment Required |
|
|
403 Forbidden |
|
|
407 Proxy Authentication Required |
|
|
603 Decline |
|
|
404 Not Found |
|
|
485 Ambiguous |
|
|
604 Does Not Exist Anywhere |
|
|
484 Address Incomplete |
|
|
405 Method Not Allowed |
|
|
406 Server Not Acceptable |
|
|
415 Unsupported MediaType |
|
|
501 Not Implemented |
|
|
410 Gone |
|
|
408 Request Timeout |
No Answer |
|
504 Server Timeout |
|
|
480 Temporarily Unavailable |
|
|
486 Busy Here |
Busy |
|
600 Busy Everywhere |
|
|
502 Bad Gateway |
Network Busy |
|
400 Bad Request |
Unknown Disconnect reason |
|
481 Call or Transaction Does Not Exist |
|
|
500 Server Internal Error |
|
|
413 Request Entity Too Large |
|
|
414 Request URI Too Long |
|
|
416 Unsupported URI Scheme |
|
|
420 Bad Extension |
|
|
421 Extension Required |
|
|
423 Interval Too Brief |
|
|
505 Version Not Supported |
|
|
513 Message Too Large |
|
|
Bye request send from near End |
Near End Disconnect |
|
Bye request receive from far End |
Far End Disconnect |
|
503 Service Unavailable |
No Resource |