Operating instructions

Rejecting or accepting a waiting call
i
The call waiting function must be
supported by the network provider and be
enabled.
If you have an active call and you receive
another call, the call waiting display will
appear. You also hear a tone.
X
To reject: select Reject and press 9 to
confirm.
or
X
Press the ~ button on the Audio 20
control panel or on the multifunction
steering wheel.
X
To accept: select Accept and press 9 to
confirm.
or
X
Press the 6 button on the Audio 20
control panel or on the multifunction
steering wheel.
This ends the active call.
Sending DTMF tones
i
This function is not supported by all
mobile phones.
You can use DTMF tones to control answering
machines or other devices, e.g. for remote
query functions.
X
To send individual characters: during
connection, select the desired characters
and press 9 to confirm each character.
or
X
Press the corresponding button on the
Audio 20 control panel.
Every character selected will be
transmitted immediately.
X
To send a phone book entry as a string
of characters: select Name and press 9
to confirm.
X
Select the desired phone book entry and
press 9 to confirm.
The entry is immediately sent as a
character string.
X
To return to the call display: press the
k button.
Using the phone book
Introduction
The Audio 20 phone book contains imported
external entries from mobile phones.
i
The imported entries are retained even if
you use another mobile phone with
Audio 20. For this reason, you should
delete any call lists before handing over or
selling the vehicle.
Receiving vCards (via the Bluetooth
®
interface)
You can import vCards from external
Bluetooth
®
-capable phones into the address
book. Please bear the following in mind:
R
Bluetooth
®
must be active on
Audio 20(Y page 22) and on the external
Bluetooth
®
-capable telephone (see the
operating instructions of the respective
mobile phone).
R
the external Bluetooth
®
phone must be
able to send vCards via Bluetooth
®
(see the
operating instructions of the respective
mobile phone).
R
the external Bluetooth
®
phone in the
vehicle is switched on and authorized
(Y page 22).
i
If you switch to another main function
during vCard reception, such as the radio,
vCard reception is canceled.
30
Using the phone book
Telephone