Polycom RMX 1500 Administrator's Manual page 645

Table A-2
Number
Polycom, Inc.
ISDN Disconnection Causes (Continued)
Summary
103 Parameter Non-
Existent or Not
Implemented – Passed
On (national use)
110 Message with
Unrecognized
Parameter Discarded
111 Protocol Error,
Unspecified
127 Interworking,
Unspecified
Disconnection Cause
Description
A message was received containing parameters that are not
defined or of a type that is defined but not implemented.
A message was discarded because it contained a parameter
that was not recognized.
A protocol error has occurred. No other disconnection cause
applies.
An interworking call has ended.
Appendix A-Disconnection Causes
A-11