Ma king Ca ll s
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Step by Step
Activating Tone Dialing (DTMF Suffix
Dialing)
You can transmit dual-tone multifrequency (DTMF) sig-
nals to control devices such as an answering machine
or automatic information system.
Press the key. The LED lights up.
Select and confirm.
or
Enter the code.
You can use the keys "0" through "9", "
*
", a nd "#" to tra ns-
mit DTMF signals.
Automatic Connection Setup (Hotline)
If this function is configured (contact System Support),
the system automatically sets up a connection to a pre-
set internal or external destination.
Lift the handset.
Depending on the setting, the connection is either set
up im mediat el y or only after a preset period of time
(hotline after a timeout).
Pr ogr am/Ser vice
*
53=DTMF dialing?
Ending the call also deactivates DTMF suffix
dialing.
Your system may be configured so that you can
start DTMF suffix-dialing immediately after
setting up a connection.
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