Polycom RMX 1500 Administrator's Manual page 864

Appendix A-Disconnection Causes
A-16
Table A-2 ISDN Disconnection Causes (Continued)
Number Summary
97 Message Type
Non-Existent or
Not
Implemented
98 Message is Not
Compatible with
the Call State, or
the Message
Type is Non-
Existent or Not
Implemented
99 An Information
Element or
Parameter Does
Not Exist or is
Not
Implemented
100 Invalid
Information
Element
Contents
101 The Message is
Not Compatible
with the Call
State
102 Recovery on
Timer Expired
103 Parameter Non-
Existent or Not
Implemented –
Passed On
(national use)
Disconnection Cause
Description
A message was received that is of a type that is
not defined or of a type that is defined but not
implemented.
An unexpected message or unrecognized
message incompatible with the call state has
been received
A message was received containing elements
or parameters that are not defined or of a type
that is defined but not implemented.
A message other than SETUP, DISCONNECT,
RELEASE, or RELEASE COMPLETE has been
received which has one or more mandatory
information elements containing invalid content.
A STATUS message indicating any call state
except the Null state has been received while in
the Null state.
An error handling procedure timer has expired.
A message was received containing parameters
that are not defined or of a type that is defined
but not implemented.