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Administrator’s Guide for ViewStation EX, ViewStation FX, and VS4000
C-4 www.polycom.com/videodocumentation
83 A suspended call
exists but this call
identity does not
The network received a call resume request that
contained a call identity information element that does
not match any suspended call.
84 Call identity in use The network received a call suspend request that
contained a call identity information element for a call
that is already suspended.
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 containing
a call identity information element for a call that was
cleared while suspended, either by timeout or by the
remote user.
88 Incompatible
destination
Indicates that an attempt was made to connect to
non-ISDN equipment, such as an analog line.
91 Invalid transit
network specified
The ISDN exchange was asked to route the call through
an unrecognized intermediate network.
95 Invalid message,
unspecified
An invalid message was received, for an unknown
reason. This is usually due to a D-channel error. If this
error occurs systematically, report it to your ISDN
service provider.
96 Mandatory
information element
is missing
The 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 equipment received a message of a type that is
invalid or not supported. This code indicates 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 equipment received a message that is not valid in
the current call state. 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 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 equipment received a message that includes
invalid information in the information element. This is
usually due to a D-channel error.
Code Cause Definition