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V6100 and V7122 User Guide
427
Fixed Mapping of ISDN Release Reason to SIP Response
Table 90
describes the mapping of ISDN release reason to SIP response.
Table 90
Mapping of ISDN Release Reason to SIP Response
ISDN Release
Reason
Description
SIP
Response
Description
1
Unallocated number
404
Not found
2
No route to network
404
Not found
3
No route to destination
404
Not found
6 Channel
unacceptable
406
*
Not acceptable
7
Call awarded and being delivered in an
established channel
500 Server
internal
error
16
Normal call clearing
-
*
BYE
17 User
busy
486
Busy
here
18
No user responding
408
Request timeout
19
No answer from the user
480
Temporarily unavailable
20 Subscriber
absent
480
Temporarily
unavailable
21 Call
rejected
403
Forbidden
22
Number changed w/o diagnostic
410
Gone
22
Number changed with diagnostic
410
Gone
23
Redirection to new destination 480
Temporarily
unavailable
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
*
Messages and responses were created since the ‘ISUP to SIP Mapping’ draft doesn’t specify
their cause code mapping.
Содержание TP-1610
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Страница 449: ...V6100 and V7122 User Guide 449 Figure 146 Connection Module CM Figure 147 OSN Server Figure 148 Hard Drive Module HDMX ...
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