Polycom RealPresence 1500 Administrator's Manual page 957

Disconnection Cause
Number Summary
44 Requested Circuit/Channel
not Available
47 Resource Unavailable,
Unspecified
49 Quality of Service Not
Available
50 Requested Facility Not
Subscribed
53 Outgoing Calls Barred
Within Closed User Group
(CUG)
55 Incoming Calls Barred
within CUG
57 Bearer Capability Not
Authorized
58 Bearer Capability Not
Presently Available
62 Inconsistency in
Designated Outgoing
Access Information and
Subscriber Class
63 Service or Option Not
Available, Unspecified
65 Bearer Capability Not
Implemented
66 Channel Type Not
Implemented
69 Requested Facility Not
Implemented
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
Polycom®, Inc.
Description
The requested circuit or channel is not available. Alternative circuits or
channels are not acceptable.
The resource is unavailable. No other disconnection cause applies.
Quality of Service, as defined in Recommendation X.213, cannot be
provided.
A supplementary service has been requested that the user is not
authorized to use.
Outgoing calls are not permitted for this member of the CUG.
Incoming calls are not permitted for this member of the CUG.
A bearer capability has been requested that the user is not authorized
to use.
A bearer capability has been requested that the user is not presently
available.
Outgoing Access and Subscriber Class information is inconsistent
The service or option is unavailable. No other disconnection cause
applies.
The requested bearer capability is not supported.
The requested channel type is not supported.
The requested supplementary service is not supported.
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.
Appendix A - Disconnection Causes
927