IWF Termination from H.323

When a call that requires the IWF terminates from the H.323 side, the Oracle® Enterprise Session Border Controller uses the mapping scheme in the following table to determine the appropriate SIP status.

H.323 Disconnect Reason SIP Status
No Bandwidth 480 Temporarily Unavailable
Gatekeeper Resource 404 Not Found
Unreachable Destination 404 Not Found
Destination Rejection 603 Decline
Invalid Revision 505 Version Not Supported
No Permission 401 Unauthorized
Unreachable Gatekeeper 503 Service Unavailable
Gateway Resource 480 Temporarily Unavailable
Bad Format Request 400 Bad Request
Adaptive Busy 486 Busy Here
In Conference 486 Busy Here
Undefined Reason 500 Internal Server Error
Facility Call Deflection 486 Busy Here
Security Denied 401 Unauthorized
Called Party Not Registered 404 Not Found
Caller Not Registered 401 Unauthorized