Troubleshooting
ISDN cause codes
MultiVoice Gateway for the MAX— User’s Guide
Preliminary November 23, 1998
A-9
53
Outgoing calls barred within CUG
54
Incoming calls barred
55
Incoming calls barred within CUG
56
Call waiting not subscribed
57
Bearer capability not authorized
58
Bearer capability not presently available
63
Service or option not available, unspecified
65
Bearer service not implemented
66
Channel type not implemented
67
Transit network selection not implemented
68
Message not implemented
69
Requested facility not implemented
70
Only restricted digital information bearer capability is available
79
Service or option not implemented, unspecified
81
Invalid call reference value
82
Identified channel does not exist
83
A suspended call exists, but this call identity does not
84
Call identity in use
85
No call suspended
86
Call having the requested call identity has been cleared
87
Called user not member of CUG
88
Incompatible destination
89
Nonexistent abbreviated address entry
90
Destination address missing, and direct call not subscribed
91
Invalid transit network selection (national use)
92
Invalid facility parameter
Table A-6. ISDN cause codes (continued)
Code
Cause
