Sending Dtmf Tones - Mercedes-Benz 2013 SL Operator's Manual

Telephone
386
Switching the hands-free microphone on/
off
This function is also available during an active
phone call.
Call up the telephone basic menu
X
( page 383).
Y
To switch off: select
X
W to confirm.
If the microphone is switched off, the
display shows the Q symbol and the
microphone is off
a short period.
To switch on: select
X
W to confirm.
The Q symbol disappears. You will briefly
see the The microphone is on

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.
To transmit individual characters: once
X
a connection has been established to the
answering machine, select the desired
Mic Off and press
The
message appears for
Mic On and press
message.
characters in the character bar, pressing
W to confirm each of them.
or
Press the corresponding key on the
X
COMAND number keypad.
Every character selected will be
transmitted immediately.
To send a phone book entry as a DTMF
X
sequence: select Name
COMAND controller and press W to
confirm.
Select the desired phone book entry and
X
press W to confirm.
The entry is sent as a DTMF character
string.
To return to the call display: select
X
Back and press W to confirm.
i
You can also send DTMF tones using the
Voice Control system; see the separate
operating instructions.
Calls with several participants
Rejecting or accepting a waiting call
The mobile phone network provider must
support and activate the call-waiting function.
Depending on the mobile phone used, the
system behavior differs when accepting a
call.
If you have a call in progress and receive
another call, a new window appears in the
display. You also hear a tone. You can accept
or reject the call.
To reject: select Reject
X
confirm.
or
Press the ~ button on COMAND or on
X
the multifunction steering wheel.
To accept: select Accept
X
confirm.
or
Press the 6 button on COMAND or on
X
the multifunction steering wheel.
by turning cVd the
and press W to
and press W to