
Dialogic
®
Diva
®
SIPcontrol
TM
Software 2.5 Reference Guide
Page 82
SIP Response Code to ISDN Cause Code
47 Resource unavailable 503 Service unavailable
55 Incoming class barred within Closed
User Group (CUG)
403 Forbidden
57 Bearer capability not authorized 403 Forbidden
58 Bearer capability not presently available 503 Service unavailable
63 Service or option not available,
unspecified
488 Not acceptable here
65 Bearer capability not implemented 488 Not acceptable here
69 Requested Facility not implemented 501 Not implemented
70 Only restricted digital available 488 Not acceptable here
79 Service or option not implemented 501 Not implemented
87 User not member of Closed User Group
(CUG)
403 Forbidden
88 Incompatible destination 503 Service unavailable
102 Recover on Expires timeout 504 Server time-out
111 Protocol error 503 Service unavailable
127 Interworking, unspecified 503 Service unavailable
Any code other than listed above: 500 Server internal error
SIP response
code from the
SIP peer
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 41 Temporary failure
410 Gone 22 Number changed
413 Request entity too large 63 Service or option unavailable
414 Request-URI too long 63 Service or option unavailable
415 Unsupported media type 79 Service/option not implemented
416 Unsupported URI scheme 79 Service/option not implemented
420 Bad extension 79 Service/option not implemented
421 Extension required 79 Service/option not implemented
423 Interval too brief 63 Service or option unavailable
429 Provide Referrer Identity 31 Normal, unspecified
ISDN cause
code
Description SIP response code
forwarded to the
SIP peer
Description
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