The Dial-tone check will be carried out 4 times, after which the B-TEL99
will step to the successive telephone number, and restart from phase 1.
If this option is disabled the B-TEL99 will step directly to the successive
phase.
Phase 4 The B-TEL99 will dial the telephone number (1 to 7) assigned to the alarm
channel in alarm status, and will show (one by one) the dialled digits on the
display.
Phase 5 If the Voice answer detection option is enabled, the B-TEL99 will wait 25 sec-
onds for a voice answer and, when voice answer is detected, the B-TEL99 will
step to the successive phase. If, however, the Voice answer detection option
is disabled, the B-TEL99 will wait 5 seconds after dialling, and then step to the
successive phase.
Phase 6 The B-TEL99 will send the assigned alarm message for the alarm channel
in question. The message will be played for the programmed Message
playback time (20, 40, 60 or 80 seconds).
Call cycle The Call cycle/s (set during programming) establishes the number of times
that each telephone number assigned to the alarm channel in alarm status
must be called (1 to 5 times).
+
Safety regulations state that failed calls must not be redialled for at least
60 seconds (failure due to telephone-line fault, busy line or no answer).
However, the B-TEL99 will pause for 60 seconds at the end of each Call
cycle, or before redialling a telephone number which is part of the Call cy-
cle in course.
Figure 1 Alarm cycle.
INTRODUCTION 7
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