Telos Zephyr Xstream User Manual
Page 316

USER’S MANUAL
Appendix 3 – ISDN Cause Phrases/Values 304
Cause No. 41 ‐ Net problem, redial (Temporary Failure)
This cause indicates that the network is not functioning correctly and that the condition is not
likely to last a long period of time; e.g. the user may wish to try another call attempt almost
immediately. May also indicate a data link layer malfunction locally or at the remote network
interface or that a call was cleared due to protocol error(s) at the remote network interface.
Cause No. 42 ‐ Net busy, redial (Switching Equipment Congestion)
This cause indicates that the switching equipment generating this cause is experiencing a period
of high traffic.
Cause No. 44 ‐ No channel available (Requested circuit/channel not available)
This cause is returned when the circuit or channel indicated by the requesting entity cannot be
provided by the other side of the interface.
Cause No. 47 ‐ Resource unavailable/New Destination
This cause is used to report a resource unavailable event only when no other cause in the
resource unavailable class applies.
or
This cause is used to indicate that the original destination is unavailable and to invoke
redirection to a new destination.
CLASS 1.3 (service or option not available)
Cause No. 50 – Requested facility not subscribed
The cause is used to report that the user cannot use this feature because s/he has not
subscribed to it.
Cause No. 51 – Bearer capability incompatible with service request
This cause indicates a user request for action was rejected because the action was incompatible
with the capability of the call.
Cause No. 52 – Outgoing calls barred
This cause indicates that because of call screening provided by the network, the calling user is
not permitted to make a call.
Cause No. 54 – Incoming calls barred
The user will not accept the call delivered in the SETUP message.
Cause No. 57 – Bearer capability (Data/voice) not authorized.