Sending Dtmf Tones - Mercedes-Benz COMAND Operating Instructions Manual

Sending DTMF tones

This function is not supported by all mobile
phones.
Answering machines or other devices can be
controlled by DTMF tones, e.g. for remote
query functions.
If you would like to listen to the messages
X
on your answering machine, for example,
dial the corresponding number.
Transmitting individual characters:
Once a connection has been established to
X
the answer phone, select the desired char-
acters in the telephone menu: turn and
press the controller each time.
Every character selected will be transmit-
ted immediately.
or
Press the corresponding number button on
X
the telephone keypad.
You can also send DTMF tones using the
i
Voice Control System (see the separate
operating instructions).
Calls with several participants
Switching between calls (call waiting)
If you make another call, you can switch
between the two calls (call waiting). This func-
tion depends on your mobile phone network
provider and the mobile phone (see the man-
ufacturer's operating instructions).
The calls are marked 1 and 2. The active call is
highlighted.
Using the telephone
Switching between the calls:
To select ° or ° : turn and press the
X
1 2
controller.
or
Press 6 on the multifunction steering
X
wheel.
The selected call is active. The other call is
on hold.
Ending the active call:
To select ~ in the telephone menu: turn
X
and press the controller.
or
Press ~ on the multifunction steering
X
wheel.
The other call is still on hold.
To activate the call on hold: select
X
ICON_Send Resume.
The call on hold is activated. If you select
Hang Up, the call on hold is also ended.
On some mobile phones, the call on hold
i
is activated as soon as the active call is
ended.
Conference call
You can interconnect active and held calls.
This permits several parties to hear one
another and speak with one another. This
function depends on your mobile phone net-
work provider and the mobile phone (see the
manufacturer's operating instructions).
Add a call ( page 148).
X
Y
or
Answer an incoming call (
X
149
page 150).
Y
Z