Issue 2 - 07/00 A2-5
Appendix 2—Disconnection, Clearing & Error Codes
63 Service or option not available, unspecified
This cause is used to report that a service or option is not
available, only when no other cause in the ‘service or option
not available’ class applies.
65 Bearer capability not implemented
The equipment does not support the requested bearer
capability.
66 Channel type not implemented
The equipment does not support the requested channel type.
69 Requested facility not implemented
The equipment does not support the requested facility.
70 Only restricted digital information bearer capability is
available
The user has requested an unrestricted bearer service, but the
equipment only supports the restricted version.
79 Service or option not implemented, unspecified
This cause is used to report that a service or option has not
been implemented, only when no other cause in the ‘service or
option not implemented’ class applies.
81 Invalid call reference value
The equipment has received a message with a call reference
which is not currently used on the user-network interface.
82 Identified channel does not exist
The equipment has received a request to use a channel not
activated on the interface for a call.
83 A suspended call exists, but this call identity does not
The user has attempted to resume a call whose ID does not
correspond to any currently suspended calls.
84 Call identity in use
The network has received a Call Suspend request for a call ID
which is already in use for a suspended call within the domain
of interfaces over which this call may be suspended.
85 No call suspended
The network has received a Call Resume request for a call ID
which does not correspond to any suspended call within the
domain of interfaces over which the call may be resumed.
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