RealPresence Collaboration Server (RMX) 1500/2000/4000 Administrator’s Guide
A-10 Polycom, Inc.
86 Call Having the
Requested Call Identity
Has Been Cleared
A RESUME message cannot be executed by the network as
a result of the call having been cleared while suspended.
87 User Not Member of
CUG
A CUG member was called by a user who is not a member of
the CUG or a CUG call was made to a non CUG member.
88 Incompatible
Destination
User-to-user compatibility checking procedures in a point-to-
point data link have determined that an incompatibility exists
between Bearer capabilities.
90 Non-Existent CUG CUG does not exist.
91 Invalid Transit Network
Selection (national use)
The transit network selection is of an incorrect format. No
route (transit network) exists between the two networks.
95 Invalid Message,
Unspecified
Invalid message received. No other disconnection cause
applies.
96 Mandatory Information
Element is Missing
A message was received with an information element
missing.
97 Message Type Non-
Existent or Not
Implemented
A message was received that is of a type that is not defined
or of a type that is defined but not implemented.
98 Message is Not
Compatible with the
Call State, or the
Message Type is Non-
Existent or Not
Implemented
An unexpected message or unrecognized message
incompatible with the call state has been received
99 An Information Element
or Parameter Does Not
Exist or is Not
Implemented
A message was received containing elements or parameters
that are not defined or of a type that is defined but not
implemented.
100 Invalid Information
Element Contents
A message other than SETUP, DISCONNECT, RELEASE, or
RELEASE COMPLETE has been received which has one or
more mandatory information elements containing invalid
content.
101 The Message is Not
Compatible with the
Call State
A STATUS message indicating any call state except the Null
state has been received while in the Null state.
102 Recovery on Timer
Expired
An error handling procedure timer has expired.
Table A-2 ISDN Disconnection Causes (Continued)
Disconnection Cause
Number Summary Description