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