Technical data

Cause Code Mapping
Dialogic
®
Diva
®
SIPcontrol
TM
Software 1.8 Reference Guide page 61
Microsoft
®
OCS 2007 SIP response code to ISDN cause code
79 Service or option not implemented 501 Not implemented
87 User not member of Closed User Group
(CUG)
403 Forbidden
88 Incompatible destination 400 Bad request
102 Recover on Expires timeout 504 Server time-out
111 Protocol error 500 Server internal error
127 Interworking, unspecified 500 Server internal error
Any code other than listed above: 500 Server internal error
SIP response
code from
Microsoft
®
OCS
2007
Description ISDN cause code Description
400 Bad Request 41 Temporary failure
401 Unauthorized 21 Call rejected
402 Payment required 21 Call rejected
403 Forbidden 21 Call rejected
404 Not found 1 Unallocated number
405 Method not allowed 63 Service or option unavailable
406 Not acceptable 79 Service/option not implemented
407 Proxy authentication required 21 Call rejected
408 Request timeout 102 Recovery on timer expiry
410 Gone 22 Number changed
413 Request entity too large 127 Interworking, unspecified
414 Request-URI too long 127 Interworking, unspecified
415 Unsupported media type 79 Service/option not implemented
416 Unsupported URI scheme 127 Interworking, unspecified
420 Bad extension 127 Interworking, unspecified
421 Extension required 127 Interworking, unspecified
423 Interval too brief 127 Interworking, unspecified
480 Temporarily unavailable 18 No user responding
481 Call/transaction does not exist 41 Temporary failure
482 Loop detected 25 Exchange routing error
483 Too many hops 25 Exchange routing error
484 Address incomplete 28 Invalid number format (address
incomplete)
485 Ambiguous 1 Unallocated number
ISDN cause
code
Description SIP response code
forwarded to
Microsoft
®
OCS
2007
Description