User`s manual

Version 5.4 461 May 2008
SIP User's Manual 9. Advanced PSTN Configuration
ISDN Release
Reason
Description
SIP
Response
Description
26 Non-selected user clearing 404 Not found
27 Destination out of order 502 Bad gateway
28 Address incomplete 484 Address incomplete
29 Facility rejected 501 Not implemented
30 Response to status enquiry 501* Not implemented
31 Normal unspecified 480 Temporarily unavailable
34 No circuit available 503 Service unavailable
38 Network out of order 503 Service unavailable
41 Temporary failure 503 Service unavailable
42 Switching equipment congestion 503 Service unavailable
43 Access information discarded 502* Bad gateway
44 Requested channel not available 503* Service unavailable
47 Resource unavailable 503 Service unavailable
49 QoS unavailable 503* Service unavailable
50 Facility not subscribed 503* Service unavailable
55 Incoming calls barred within CUG 403 Forbidden
57 Bearer capability not authorized 403 Forbidden
58 Bearer capability not presently available 503 Service unavailable
63 Service/option not available 503* Service unavailable
65 Bearer capability not implemented 501 Not implemented
66 Channel type not implemented 480* Temporarily unavailable
69 Requested facility not implemented 503* Service unavailable
70
Only restricted digital information bearer
capability is available
503* Service unavailable
79 Service or option not implemented 501 Not implemented
81 Invalid call reference value 502* Bad gateway
82 Identified channel does not exist 502* Bad gateway
83
Suspended call exists, but this call
identity does not
503* Service unavailable
84 Call identity in use 503* Service unavailable
85 No call suspended 503* Service unavailable
86
Call having the requested call identity has
been cleared
408* Request timeout
87 User not member of CUG 503 Service unavailable
88 Incompatible destination 503 Service unavailable
91 Invalid transit network selection 502* Bad gateway