Fixed Mapping Of Sip Response To Isdn Release Reason - AudioCodes Mediant 1000 User Manual

H.3 Fixed Mapping of SIP Response to ISDN Release
Reason
Table H-2 below describes the mapping of SIP response to ISDN release reason.
Table H-2: Mapping of SIP Response to ISDN Release Reason
SIP
Response
*
Bad request
400
401
Unauthorized
402
Payment required
403
Forbidden
404
Not found
405
Method not allowed
406 Not acceptable
407 Proxy authentication required
408
Request timeout
409
Conflict
410
Gone
411
Length required
413
Request entity too long
414
Request URI too long
415
Unsupported media type
420 Bad extension
480
Temporarily unavailable
481*
Call leg/transaction doesn't exist
482* Loop detected
483
Too many hops
484
Address incomplete
485 Ambiguous
486
Busy here
488
Not acceptable here
500
Server internal error
501
Not implemented
502
Bad gateway
503 Service unavailable
*
Messages and responses were created since the 'ISUP to SIP Mapping' draft doesn't specify their
cause code mapping.
SIP User's Manual
(continues on pages 448 to 449)
Description
448
ISDN Release
Reason
31
Normal, unspecified
21
Call rejected
21
Call rejected
21
Call rejected
1
Unallocated number
63
Service/option unavailable
Service/option not
79
implemented
21 Call rejected
102
Recovery on timer expiry
41
Temporary failure
Number changed w/o
22
diagnostic
127
Interworking
127
Interworking
127
Interworking
Service/option not
79
implemented
127 Interworking
18
No user responding
127
Interworking
127 Interworking
25
Exchange – routing error
28
Invalid number format
1 Unallocated number
17
User busy
31
Normal, unspecified
41
Temporary failure
38
Network out of order
38
Network out of order
41 Temporary failure
Document #: LTRT-83301
Mediant 1000
Description