Send Dtmf Tones - Siemens SL45 User Manual

Call menu Options
Switch the microphone
Microphone
off on or off. If switched
off, the person on the
other end of the line
can hear nothing.
Alternatively:
Conference (see p. 16)
Time/Charge While the connection
continues, the call
duration and (if set, see
p. 54) the call time/cost
are displayed.
Call transfer (see p. 16)
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
codes created by the
tones
keys or Addressbook.
Making a phone call
Hold down.

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).
17