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Transmitting special dial signals (DTMF dialling)
You can send DTMF signals with your operator set. DTMF stands for dual tone multifrequency. You need DTMF
signals for example for pagers, answering machines or other special services. The DTMF transmitter function key
must be set up.
Your operator set can be set as to switch on the DTMF transmitter automatically in conversation state. Thus you
can send DTMF signals anytime during a call.
Switching on the DTMF transmitter
1.
Press the
DTMF
(DTMF transmitter) key.
2.
The symbol
(DTMF signalling) is displayed.
3.
You can now transmit DTMF signals with the number key. The special keys “*” and “#” can also be used.
Switching off the DTMF transmitter
1.
Press the
DTMF
(DTMF transmitter) key again to switch off the transmitter.
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