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ISDN Information
134
ViewStation User’s Guide
95
Invalid message,
unspecified
An invalid message was received, and no standard cause applies.
T h i s i s us u al l y du e t o a D - ch a nn e l e r r o r. I f t h is e r ro r o c cu r s
systematically, report it to your ISDN service provider.
96
Mandatory information
element is missing
The receiving equipment received a message that did not include
one of the mandatory information elements. This is usually due to a
D-channel error. If this error occurs systematically, report it to your
ISDN service provider.
97
Message type nonexistent
or not implemented
The receiving equipment received an unrecognized message,
either because the message type was invalid or because the
message type was valid but not supported. Cause 97 is due to
either a problem with the remote configuration or a problem with
the local D channel.
98
Message incompatible
with call state or message
type nonexistent
The remote equipment received an invalid message, and no
standard cause applies. Cause 98 is usually due to a D-channel
error. If this error occurs systematically, report it to your ISDN
service provider.
99
Information element
nonexistent or not
implemented
The remote equipment received a message that includes
information elements which were not recognized. This is usually
due to a D-channel error. If this error occurs systematically, report it
to your ISDN service provider.
100
Invalid information
element contents
The remote equipment received a message that includes invalid
information in the information element. This is usually due to a D-
channel error.
101
Message not compatible
with call state
The remote equipment received an unexpected message that does
not correspond to the current state of the connection. This is usually
due to a D-channel error.
102 Recovery on timer expiry
A timer expiry initiated an error-handling (recovery) procedure.
This problem is typically temporary.
111 Protocol error, unspecified
An unspecified D-channel error when no other standard cause
applies.
127 Interworking, unspecified
An event occurred, but the network does not provide causes for the
action that it takes. The precise problem is unknown.
145
ISDN layer 1 and/or 2
link not established
User needs to check cabling, ISDN adapter status and network
connections.
146
ISDN layer 3 connection
to the ISDN switch/
network inactive
A switch protocol error exists, or (in the United States or Canada) a
SPID assignment problem. There is either a switch protocol error,
or (in the United States or Canada) a SPID assignment problem.
255
ISDN command
processing error
The ISDN signaling code has encountered an error processing an
ISDN action. ISDN adapter busy-wait and retry.
ISDN Errors (Continued)
Code Cause Definition