Polycom RMX 1500/2000/4000 Getting Started Guide
A-14
Table A-2
ISDN Disconnection Causes (Continued)
Number
Summary
70
Only Restricted
Digital
Information
Bearer
Capability is
Available
(national use)
79
Service or
Option Not
Implemented,
Unspecified
81
Invalid Call
Reference Value
82
Identified
Channel Does
Not Exist
83
A Suspended
Call Exists, but
This Call Identity
Does Not Exist
84
Call Identity in
Use
85
No Call
Suspended
86
Call Having the
Requested Call
Identity Has
Been Cleared
87
User Not
Member of CUG
Disconnection Cause
Description
Unrestricted (64kb) bearer service has been
requested but is not supported by the
equipment sending this cause.
An unsupported service or unimplemented
option has been requested. No other
disconnection cause applies.
A message has been received which contains a
call reference which is currently unassigned or
not in use on the user-network interface.
A request has been received to use a channel
which is currently inactive or does not exist.
A RESUME message cannot be executed by
the network as a result of an unknown call
identity.
A SUSPEND message has been received with
a call identity sequence that is already in use.
A RESUME message cannot be executed by
the network as a result of no call suspended.
A RESUME message cannot be executed by
the network as a result of the call having been
cleared while suspended.
A CUG member was called by a user that is not
a member of the CUG or a CUG call was made
to a non CUG member.