VISION 5000 Videoconferencing System
49
Advanced use
Cause codes
The most common cause codes (for ISDN) are:
1 - Unallocated (unassigned) number
2 - No route to specified transit network (WAN)
16 - Normal clearing
17 - User busy
18 - No user responding
21 - Call rejected
28 - Invalid number format (incomplete number)
29 - Facility rejected
31 - Normal, unspecified
34 - No circuit/channel available
41 - Temporary failure
58 - Bearer capability not presently available
65 - Bearer service not implemented
69 - Requested facility not implemented
81 - Invalid call reference value
88 - Incompatible destination
100 - Invalid information element contents
102 - Recovery on timer expiry
127 - Internetworking, unspecified