Operating instructions

Ma kin g Ca ll s

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.

Enter the code.

You can use the keys "0" through "9", "

", a nd "#" to trans-

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 medi at ely or only afte r 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.