Polycom VSX 3000 Administrator's Manual page 193

Code Cause
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
requested call
identity has been
cleared
88 Incompatible
destination
91 Invalid transit
network specified
95 Invalid message,
unspecified
96 Mandatory
information element
is missing
97 Message type
nonexistent or not
implemented
98 Message
incompatible with
call state or
message type
nonexistent
PathNavigator Error Codes and Q.850 Cause Codes
Definition
The remote equipment received a call with a call
reference that is not currently in use on the
user-network interface.
The receiving equipment is requested to use a
channel that is not activated on the interface for
calls.
The network received a call resume request that
contained a call identity information element that
does not match any suspended call.
The network received a call suspend request that
contained a call identity information element for a
call that is already 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.
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.
Indicates that an attempt was made to connect to
non-ISDN equipment, such as an analog line.
The ISDN exchange was asked to route the call
through an unrecognized intermediate network.
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.
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.
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.
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.
D - 7