18 | Making a phone call |
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Call menu Options
Microphone Switch the microphone
off on or off. If switched off, the person on the other end of the line can’t hear anything.
Alternatively:
*Hold down.
Conference (see p. 17)
Time/Charge While the connection continues, the call duration and (if set, see p. 59) the call time/ cost are displayed.
Call transfer (see p. 17)
Main menu Direct access to the main menu.
Call status List all held and active calls (e.g. participants in a conference call).
Send DTMF Transmit the control
tones codes created by the keys or Addressbook.
Send DTMF tones
Digits entered during a call are transmitted directly as DTMF signals so that an answering machine, for example, can be controlled (DTMF = Dual Tone Multi Frequency).