Dialogic® 4000 Media Gateway Series Reference Guide
page 57
Default cause code mapping for Microsoft
®
Office Communications Server (OCS) 2007 SIP peers
The Dialogic
®
Diva
®
SIPcontrol
TM
software includes a default cause/response code mapping table for Microsoft
®
OCS 2007 SIP peers that includes the most common (as of the date of publication of this document) cause codes
according to RFC 3398 and RFC 4497. If you need to define a cause code mapping other than in the table, you
can configure it in the Cause Code Mapping Configuration.
For ISDN to SIP code mappings, see
Microsoft® OCS 2007 ISDN cause code to SIP response code
For SIP to ISDN code mappings, see
Microsoft® OCS 2007 SIP response code to ISDN cause code
Microsoft
®
OCS 2007 ISDN cause code to SIP response code
ISDN cause
code
Description
SIP response code
forwarded to
Microsoft
®
OCS
2007
Description
1
Unallocated number
404
Not found
2
No route to specified transit network
404
Not found
3
No route to destination
404
Not found
16
Normal call clearing
603
Decline (The PBX of Philips sends this code
during call set-up if the user rejects the
call.)
17
User busy
486
Busy here
18
No user response
408
Request timeout
19
No answer from the user
480
Temporarily unavailable
20
Subscriber absent
480
Temporarily unavailable
21
Call rejected
603
Decline
22
Number changed
410
Gone
23
Redirection to new destination
410
Gone
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
31
Normal, unspecified
480
Temporarily unavailable
34
No circuit 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
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
65
Bearer capability not implemented
488
Not acceptable here
69
Requested Facility not implemented
501
Not implemented
70
Only restricted digital available
488
Not acceptable here
