Instruction Manual

your mobile phone supports the toggling
function (via Bluetooth
®
).
You can use the function if you are answering
a second call or making a second call.
Switching between the active call and the
call on hold
:
Active call
;
Call on hold
X
Confirm symbol ; by pressing W.
or
X
Press the ; button on COMAND or the
multifunction steering wheel.
The previous call on hold is activated.
Ending an active call
X
Select ¢ in the telephone basic menu and
press W to confirm.
or
X
Press the ~ button on COMAND or the
multifunction steering wheel.
The call on hold is activated.
Conference call
You can interconnect calls (active and on
hold) on the mobile phone. This permits sev-
eral parties to hear one another and speak
with one another.
You can also make a further call in COMAND
(Y page 126).
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.
X
If you would like to listen to the messages
on your answering machine, for example,
select the corresponding number.
X
To transmit individual characters: once
a connection has been established to the
answer phone, select the desired charac-
ters in the character bar and press W to
confirm.
or
X
Press the corresponding key on the
COMAND number keypad.
Every character selected will be transmit-
ted immediately.
X
To send a phone book entry as a DTMF
sequence: select Name by turning cVd the
COMAND controller and press W to con-
firm.
X
Select the desired phone book entry and
press W to confirm.
The entry is sent as a DTMF character
string.
X
To return to the call display: select
Back and press W to confirm.
i
You can also send DTMF tones using LIN-
GUATRONIC (see the separate operating
instructions).
Telephone operation
127
Telephone
Z