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4 – Appendices NET SatisFAXtion 8.7 Manual 182
ready established to that user for similar calls (e.g. packet-mode X.25 virtual
calls). Error type:
NON_RETRYABLE
.
29192 Cause 8, Preemption: Q.850 description: This cause indicates that
the call is being pre-empted. Error type: NON_RETRYABLE .
29193 Cause 9, Preemption – circuit reserved for reuse: Q.850 descrip-
tion: This cause indicates that the call is being pre-empted and the circuit is re-
served for reuse by the pre-empting exchange. Error type: NON_RETRYABLE .
29198 Cause 14, QoR: ported number: Q.850 description: This cause indi-
cates that an exchange detected that the called number was ported out (see
Annex C/Q.769.1). Error type:
NON_RETRYABLE
.
29200 Cause 16, Normal call clearing: The remote side of the call hung up
before the fax was completed. The gateway included a Q.850 cause code 16,
which indicates that the call hung up in a “normal” fashion, i.e. there was no
TDM network error. This can also be caused by a human answering, and hang-
ing up before the carrier_wait timer expires (45 seconds). Error type:
NON_RETRYABLE
.
Q.850 description: This cause indicates that the call is being cleared because
one of the users involved in the call has requested that the call be cleared. Un-
der normal situations, the source of this cause is not the network.
29201 Cause 17, User Busy:
The TDM network rejected the call because the
destination number is busy. Error type: BUSY .
Q.850 description: This cause is used to indicate that the called party is unable
to accept another call because the user busy condition has been encountered.
This cause value may be generated by the called user or by the network. In the
case of user determine user busy, it is noted that the user equipment is compat-
ible with the call.
29202 Cause 18, No answer:
Call was not answered. Error type: NO_AN-
SWER
.
Q.850 description: This cause is used when a called party does not respond to
a call establishment message with either an alerting or connect indication within
the prescribed period of time allocated.
29203 Cause 19, No answer from user (user alerted):
Call was not an-
swered. Error type: NO_ANSWER .
Q.850 description: This cause is used when the called party has been alerted
but does not respond with a connect indication within a prescribed period of
time.
NOTE – This cause is not necessarily generated by Q.931 procedures but may
be generated by internal network timers.
29204 Cause 20, Subscriber absent:
Q.850 description : This cause value is
used when a mobile station has logged off, radio contact is not obtained with a
mobile station or if a personal telecommunication user is temporarily not ad-
dressable at any user- network interface. Error type:
NO_ANSWER .