Polycom RMX 1500 Administrator's Manual page 863

Table A-2 ISDN Disconnection Causes (Continued)
Number Summary
83 A Suspended
Call Exists, but
This Call Identity
Does Not Exist
84 Call Identity in
Use
85 No Call
Suspended
86 Call Having the
Requested Call
Identity Has
Been Cleared
87 User Not
Member of CUG
88 Incompatible
Destination
90 Non-Existent
CUG
91 Invalid Transit
Network
Selection
(national use)
95 Invalid Message,
Unspecified
96 Mandatory
Information
Element is
Missing
Polycom RMX 1500/2000/4000 Administrator's Guide
Disconnection Cause
Description
A RESUME message cannot be executed by
the network as a result of an unknown call
identity.
A SUSPEND message has been received with
a call identity sequence that is already in use.
A RESUME message cannot be executed by
the network as a result of no call suspended.
A RESUME message cannot be executed by
the network as a result of the call having been
cleared while suspended.
A CUG member was called by a user that is not
a member of the CUG or a CUG call was made
to a non CUG member.
User-to-user compatibility checking procedures
in a point-to-point data link have determined
that an incompatibility exists between Bearer
capabilities.
CUG does not exist.
The transit network selection is of an incorrect
format. No route (transit network) exists
between the two networks.
Invalid message received. No other
disconnection cause applies.
A message was received with an information
element missing.
A-15