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TROUBLESHOOTING 9-21
Cause No. 30 - Result of a STATus ENQuiry/Special Intercept announcment:# unassigned
This cause is included in the STATus message the user sends to the switch when the rea-
son for generating this message was a prior receipt of a STATus ENQuiry message
or
This value indicates that a user from outside a special business group (i.e. Centrex) has di-
aled a number associated with the business group which is unassigned.
Cause No. 31 - Network disconnect/Special Intercept Announc.:Call blocked
This cause is used to report a normal event only when no other cause in the normal class
applies.
or
This cause is used to indicate that a user in a special business group (i.e. Centrex) has vio-
lated an access restriction feature.
Cause No. 34 - No circuit available
This cause indicates that there is no appropriate circuit/channel presently available to
handle the call. May be due to switch congestion as well as trunk congestion.
Cause No. 38 - Net out of order
This cause indicates that the network is not functioning correctly and that the condition
is likely to last a relatively long period of time e.g. immediately re-attempting the call is
not likely to be successful.
Cause No. 41 - Net problem, redial
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 re-
mote network interface or that a call was cleared due to protocol error(s) at the remote
network interface.
Cause No. 42 - Net busy, redial
This cause indicates that the switching equipment generating this cause is experiencing a
period of high traffic.
Cause No. 43 - Access information discarded
This cause indicates that the network was unable to deliver user information (i.e. subad-
dress) to the remote user as requested.
Cause No. 44 - No channel available
This cause is returned when the circuit or channel indicated by the requesting entity can-
not be provided by the other side of the interface.