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Telephone Interface Functions
of 1 ringout message for each incoming ring. If answered by a mobile, connect.
If unanswered by the ringout limit of 00–99 rings, ignore further incoming
ringing.
In Mode 1, the controller does not connect the calling party to the mobile until
the mobile answers the call. The calling party hears only the ringback until
actually connected to a mobile. Setting the ring-in delay to zero means that the
ringout begins on the first incoming ring; a delay of 1 means that the ringout
begins after delaying one ring, or at the beginning of the second incoming ring.
Setting the ringout limit to zero is the same as putting the controller into Mode
0; it can't ring out with a zero limit, so it will appear to ignore incoming ringing.
Mode 2
After a delay of 00–99 incoming rings, begin ringout for reverse patch at a rate
of 1 ringout message for each incoming ring. If answered by a mobile, connect.
If unanswered by the ringout limit of 00–99 rings, connect and go into phone
line control mode. Commands may be entered for 40 seconds. The line will
then disconnect unless the Select Phone Line Off-Hook Timer command (on
page 7-57) is used to extend the timer.
This mode behaves the same as Mode 1, except that the controller will allow
access to the phone line when the ringout limit is reached. While in phone line
control mode, another reverse patch command could be entered if desired.
Setting the ringout limit to zero is the same as putting the controller in Mode 3;
it can't ring out with a zero limit, so it will go into phone line control mode after
the delay is finished.
Mode 3
After a delay of 00–99 incoming rings, connect and go into phone line control
mode. Commands may be entered for 40 seconds. The phone line will
disconnect unless the Select Phone Line Off-Hook Timer command (page
7-57) is used to extend the timer.
Setting the ring-in delay to zero means the controller will answer on the first
incoming ring; a delay of 1 means the controller will answer after delaying one
ring, or on the second ring. The ringout limit serves to set the number of
ringouts if the Trigger Reverse Patch command (page 7-60) is entered. If the
ringout limit is set to zero, the line will disconnect when a Trigger Reverse
Patch command is entered.
Mode 4
After a delay of 00–99 incoming rings, connect and go into phone line control
mode. The controller will look for DTMF digits; if no digits are received in 40
seconds, begin ringout for reverse patch at the rate of one ringout message
every 6 seconds. If answered by a mobile, connect. If unanswered by the
ringout limit of 00–99 rings, disconnect. If DTMF digits are received in the first
10 seconds, go into phone line control mode. The controller will not ring out for
the reverse patch. Commands may be entered for 10 seconds. The phone line
will then disconnect unless the Select Phone Line Off-Hook Timer command is
used to extend the timer.
7-51
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