Mapping of call completion code with SIP error code

Last Updated : Feb 17, 2025 |
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.
Prolog information
Metadata
Keywords:
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