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151Appendix
Appendix
Global Management System User’s Guide
ISDN Cause Codes
Cause
Code
Cause Description Denition
63
Service or option not
available, unspecied
An unspecied reason prevents the network or remote
equipment from providing the requested service option. This
might be a subscription problem.
65
Bearer capability not
implemented
The network cannot provide the bearer capability requested by
the user.
66
Channel type not
implemented
The network or the destination equipment does not support the
requested channel type.
69
Requested facility not
implemented
The supplementary service is not supported by remote
equipment.
70
Only restricted digital
information bearer is
available
The network is unable to provide unrestricted digital
information over bearer capability.
79 Service or option not
available, unspecied
The network or remote equipment is unable to provide the
requested service option for an unspecied reason. This might
be a subscription problem.
81 Invalid call reference
value
The remote equipment received a call with a call reference that
is not currently in use on the user-network interface.
82
Identied channel does not
exist
The receiving equipment is requested to use a channel that is
not activated on the interface for calls.
83
A suspended call exists but
this call identity does not
The network received a call resume request. The call resume
request contained a call identify information element that
indicates that the call identity is in use for a suspended call.
84
Call identity in use The network received a call resume request that contained a
Call Identify information element that indicates that it is in use
for a suspended call.
85
No call suspended The network received a call resume request when there was
not a suspended call pending. This might be a transient error
that will be resolved by successive call retries.
86
Call having requested call
identity has been cleared
The network received a call resume request. The call resume
request contained a call identity information element, which
once indicated a suspended call. How ever, the suspended call
was cleared either by time-out or by the remote user.
88
Incompatible destination Indicates that an attempt was made to connect to non-ISDN
equipment. For example, to an analog line.
91
Invalid transit network
specied
The ISDN exchange was asked to route the call through an
unrecognized intermediate network.
95
Invalid message,
unspecied
An invalid message was received, and no standard cause
applies. This is usually due to a D-channel error. If this error
occurs systematically, report it to your ISDN service provider.