Fixed Mapping Of Isdn Release Reason To Sip Response - AudioCodes Mediant 3000 User Manual

User's Manual

23.8.2 Fixed Mapping of ISDN Release Reason to SIP Response

The following table describes the mapping of ISDN release reason to SIP response.
ISDN Release
Reason
1 Unallocated number
2 No route to network
3 No route to destination
6 Channel unacceptable
Call awarded and being delivered in an
7
established channel
16 Normal call clearing
17 User busy
18 No user responding
19 No answer from the user
21 Call rejected
22 Number changed w/o diagnostic
26 Non-selected user clearing
27 Destination out of order
28 Address incomplete
29 Facility rejected
30 Response to status enquiry
31 Normal unspecified
34 No circuit available
38 Network out of order
41 Temporary failure
42 Switching equipment congestion
43 Access information discarded
44 Requested channel not available
47 Resource unavailable
49 QoS unavailable
50 Facility not subscribed
55 Incoming calls barred within CUG
57 Bearer capability not authorized
58 Bearer capability not presently available
63 Service/option not available
Version 6.6
Mapping of ISDN Release Reason to SIP Response
Description
SIP
Response
404
404
404
*
406
500
-*
486
408
480
403
410
404
502
484
501
501*
480
503
503
503
503
502*
503*
503
503*
503*
403
403
503
503*
351
23. Manipulation
Description
Not found
Not found
Not found
Not acceptable
Server internal error
BYE
Busy here
Request timeout
Temporarily unavailable
Forbidden
Gone
Not found
Bad gateway
Address incomplete
Not implemented
Not implemented
Temporarily unavailable
Service unavailable
Service unavailable
Service unavailable
Service unavailable
Bad gateway
Service unavailable
Service unavailable
Service unavailable
Service unavailable
Forbidden
Forbidden
Service unavailable
Service unavailable
Mediant 3000