Appendix F ISDN Information
© Polycom, Inc. 203 ViewStation FX/VS 4000 User’s Guide
38 Network out of order
The network is not functioning correctly and this
condition may persist for an extended period.
The call can not reach the destination and an
immediate attempt to reconnect will probably fail.
41 Temporary failure
The network is not functioning correctly and an
error occurred. The problem will be resolved
shortly.
42
Switching equipment
congestion
The network switching equipment is temporarily
overloaded and the destination can not be
reached.
43
Access information
discarded
The requested access information can not be
provided by the network.
44
Requested
circuit/channel not
available
An unknown reason prevents the remote
equipment from providing the requested channel.
This might be a temporary problem.
47
Resource unavailable,
unspecified
An unknown reason prevents the remote
equipment from providing the requested channel.
This might be a temporary problem.
49
Quality of service
unavailable
The network can not provide the requested
quality of service (as defined by CCITT
recommendation X.213). This might be a
subscription problem.
50
Requested facility not
subscribed
The remote equipment supports the requested
supplementary service, but only by subscription.
57
Bearer capability not
authorized
The caller has requested a bearer capability that
the network can provide, but the user is not
authorized to use. This might be a subscription
problem.
58
Bearer capability not
presently available
The network normally provides the requested
bearer capability, but not at the present time. This
might be due to a temporary network problem or
to a subscription problem.
63
Service or option not
available, unspecified
An unspecified reason prevents the network or
remote equipment from providing the requested
service option. This might be a subscription
problem.
65
Bearer capability not
implemented
The network cannot provide the bearer capability
requested by the user.
66
Channel type not
implemented
The requested channel type is not supported by
the network or the destination equipment.
(Continued)
Code Cause Definition