TELOS TWOX12 USER’S MANUAL
TECHNICAL DATA & TROUBLESHOOTING
CHAPTER 8 155
Cause No. 6 – Channel unacceptable
This cause indicates a called user cannot negotiate for a B-channel other than that specified in
the SETUP message.
Cause No. 7 – Call awarded and being delivered on an established channel
This call indicates the user has been awarded the incoming calls, and that call is being
connected to a channel already established to that user for similar calls (e.g. packet-mode,
X.25 virtual calls, etc).
Cause No. 8 – Call is proceeding/Preemption
Call in process, please standby.
or
This cause indicates a call has been preempted.
Cause No. 9 – Preemption, reserved
This cause indicates a calls has been preempted due to the circuit being reserved for reuse.
Cause No. 14 – Excess digits received, call is proceeding
More digits were dialed than expected. Called number has been truncated to the expected
number.
Cause No. 16 - Far end disconnect (Normal call clearing)
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. Under normal situations, the source of this cause is not
the network.
Cause No. 17 - Busy, try again later (User busy)
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 determined user busy it is noted that the user
equipment is compatible with the call.
Cause No. 18 - No far end response (No user responding)
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 (before
timer T303 or T310 has expired).
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