HP MSR2000/3000/4000 Router Series Voice Command Reference

122
Default
Table 24 shows the default PSTN cause-to-SIP status mappings.
Table 24 Default PSTN cause-to-SIP status mappings
PSTN cause code PSTN cause description SIP status code SIP status description
1
Unallocated (unassigned)
number!
404 Not Found.
2
No route to specified transit
network!
404 Not Found.
3 No route to destination! 404 Not Found.
16 Normal clearing! N/A BYE or CANCEL.
17 User busy! 486 Busy here.
18 No user responding! 408 Request Timeout.
19 No answer from user! 480 Temporarily unavailable.
20 Subscriber absent! 480 Temporarily unavailable.
21 Call rejected! 403 Forbidden.
22 Number changed! 410 Gone.
23
Redirection to new
destination!
410 Gone.
25 Exchange routing error! 500 Server internal error.
26 Non-selected user clearing! 404 Not Found.
27 Destination out of order! 502 Bad Gateway.
28
Invalid number format
(address incomplete)!
484 Address incomplete.
29 Facility rejected! 501 Not implemented.
31 Normal, unspecified! 480 Temporarily unavailable.
34
No circuit/channel
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.
47
Resource unavailable,
unspecified!
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.