HP MSR2000/3000/4000 Router Series Voice Command Reference

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Table 25 Default SIP status-to-PSTN cause mappings
SIP status code SIP status description PSTN cause code PSTN cause description
400 Bad Request. 41 Temporary failure!
401 Unauthorized. 21 Call rejected!
402 Payment required. 21 Call rejected!
403 Forbidden. 21 Call rejected!
404 Not found. 1
Unallocated (unassigned)
number!
405 Method not allowed. 63
Service or option not available,
unspecified!
406 Not acceptable. 79
Service or option not
implemented, unspecified!
407
Proxy authentication
required.
21 Call rejected!
408 Request timeout. 102 Recovery on timer expiry!
410 Gone. 22 Number changed!
413 Request Entity too long. 127 Interworking, unspecified!
414 Request-URI too long. 127 Interworking, unspecified!
415 Unsupported media type. 79
Service or option not
implemented, unspecified!
416 Unsupported URI Scheme. 127 Interworking, unspecified!
420 Bad extension. 127 Interworking, unspecified!
421 Extension Required. 127 Interworking, unspecified!
423 Interval Too Brief. 127 Interworking, unspecified!
480 Temporarily unavailable. 18 No user responding!
481
Call/Transaction Does not
Exist.
41 Temporary failure!
482 Loop Detected. 25 Exchange routing error!
483 Too many hops. 25 Exchange routing error!
484 Address incomplete. 28
Invalid number format (address
incomplete)!
485 Ambiguous. 1
Unallocated (unassigned)
number!
486 Busy here. 17 User busy!
487 Request Terminated. 127 Interworking, unspecified!
488 Not Acceptable here. 127 Interworking, unspecified!
500 Server internal error. 41 Temporary failure!
501 Not implemented. 79
Service or option not
implemented, unspecified!
502 Bad gateway. 38 Network out of order!