Appendix D

ISDN Information

Code

Cause

Definition

98

Message

The remote equipment received an invalid

 

incompatible with

message, and no standard cause applies.

 

call state or

Cause 98 is usually due to a D-channel

 

message type

error. If this error occurs systematically,

 

nonexistent

report it to your ISDN service provider.

 

 

 

99

Information element

The remote equipment received a

 

nonexistent or not

message that includes information

 

implemented

elements which were not recognized. This

 

 

is usually due to a D-channel error. If this

 

 

error occurs systematically, report it to your

 

 

ISDN service provider.

 

 

 

100

Invalid information

The remote equipment received a

 

element contents

message that includes invalid information

 

 

in the information element. This is usually

 

 

due to a D-channel error.

 

 

 

101

Message not

The remote equipment received an

 

compatible with call

unexpected message that does not

 

state

correspond to the current state of the

 

 

connection. This is usually due to a

 

 

D-channel error.

 

 

 

102

Recovery on timer

A timer expire initiated an error-handling

 

expire

(recovery) procedure. This problem is

 

 

typically temporary.

 

 

 

111

Protocol error,

An unspecified D-channel error when no

 

unspecified

other standard cause applies.

 

 

 

127

Interworking,

An event occurred, but the network does

 

unspecified

not provide causes for the action that it

 

 

takes. The precise problem is unknown.

 

 

 

145

ISDN layer 1 and/or

User needs to check cabling, ISDN adapter

 

2 link not

status, and network connections.

 

established

 

 

 

 

146

ISDN layer 3

A switch protocol error exists, or (in the

 

connection to the

United States or Canada) a SPID

 

ISDN

assignment problem.

 

switch/network

 

 

inactive

 

 

 

 

255

ISDN command

The ISDN signaling code has encountered

 

processing error

an error processing an ISDN action. ISDN

 

 

adapter busy; wait and retry.

 

 

 

© Polycom, Inc.

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ViewStation User Guide

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Polycom ViewStation manual Polycom, Inc 209

ViewStation specifications

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