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

H.2 Fixed Mapping of ISDN Release Reason to SIP
Response
Table H-1 below describes the mapping of ISDN release reason to SIP response.
Table H-1: Mapping of ISDN Release Reason to SIP Response (continues on pages 446 to
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
20
Subscriber absent
21
Call rejected
22
Number changed w/o diagnostic
22
Number changed with diagnostic
23
Redirection to new destination
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
*
Messages and responses were created since the 'ISUP to SIP Mapping' draft doesn't specify their
cause code mapping.
SIP User's Manual
447)
Description
446
SIP
Description
Response
404
Not found
404
Not found
404 Not found
*
Not acceptable
406
500
Server internal error
-*
BYE
486
Busy here
408
Request timeout
480
Temporarily unavailable
480
Temporarily unavailable
403
Forbidden
410
Gone
410
Gone
480
Temporarily unavailable
404
Not found
502
Bad gateway
484
Address incomplete
501 Not implemented
501*
Not implemented
480
Temporarily unavailable
503 Service unavailable
503
Service unavailable
503
Service unavailable
503 Service unavailable
502*
Bad gateway
503*
Service unavailable
503 Service unavailable
503*
Service unavailable
Document #: LTRT-83301
Mediant 1000