2N TELEKOMUNIKACE a.s., www.2n.cz
194/377
4.4 Call Confirmation Types
The settings included in this subsection apply to alarm calls (sets 1, 2), check calls and
trouble reports.
1. With DTMF Confirmation
Up to 6 telephone numbers plus the count of repetitions can be stored for control
centre dialling.
then tries to call all the numbers stored. Tone dialling (DTMF)
2N
®
Lift8
is the most reliable service for confirmation of successful calls. Having received a call
manually, the control centre officer has to press the
button on its tone-dialling
phone. If the called line is busy or unanswered within a timeout, or the call is not
confirmed,
dials the next number in the sequence until it exhausts all the pre-
2N
®
Lift8
set attempts. The procedure is the same for check calls or failure reports but a
separate group of six numbers can be used.
Evaluation of Situations in Dialling with Confirmation
Situation
activity
2N
®
Lift8
No dialtone on the
line (PSTN line
only)
L8 hangs up.
Busy tone after
dialling end
L8 hangs up and dials the next number.
Call or silence
(after dialling end)
L8 waits for the defined time (parameter 913).
Ringing tone
L8 waits for the defined time (parameter 913).
Continuous tone
(on PBX line, e.g.)
L8 hangs up and dials the next number.
DTMF char
or
L8 hangs up immediately and dials the next number.
Summary of Contents for Lift8
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