Telephony Via The Bluetooth ® Interface; Emergency Call - Mercedes-Benz Audio 20 Operating Instructions Manual

Function restrictions
The telephone is not ready for use in the fol-
lowing situations:
The telephone automatically tries to log on
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to a network. If no network is available, you
may not be able to make a "911" emer-
gency call. If you attempt to make an out-
going call, the No Service No Service
appear for a short while.
If Audio 20 is switched off during a call in
hands-free mode, the call is disconnected.
You can prevent this as follows: before
switching off Audio 20, switch the mobile
phone to "Private mode" (see the mobile
phone operating instructions).

"911" emergency call

The 911 emergency call is a public service.
Using it without due cause is a criminal
offense.
The following requirements must be fulfilled
for a 911 emergency call:
the mobile phone must be switched on.
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a network must be available.
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a valid and operational SIM card must be
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inserted in the mobile phone.
the mobile phone must be connected to
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Audio 20 via Bluetooth
If you cannot make an emergency call, you
must arrange rescue measures yourself.
Enter numbers on Audio 20 (
X
Press 6.
X
The telephone makes the connection.
Wait until the emergency call center
X
answers and describe the emergency sit-
uation.
Telephony via the Bluetooth
message will
®
.
page 50).
Y
Telephony via the Bluetooth
face
Prerequisites
®
To use Bluetooth interface telephony in con-
junction with Audio 20, you need a Blue-
®
tooth -capable mobile phone.
On Audio 20
Activate the Bluetooth
X
Audio 20 ( page 33).
Y
On the mobile phone
Switch on the mobile phone and enter the
X
PIN when prompted to do so (see the
mobile phone operating instructions).
®
Activate Bluetooth
X
necessary, Bluetooth
mobile phone (see the mobile phone oper-
ating instructions).
The battery of the mobile phone should
always be kept sufficiently charged in order
to prevent malfunctions.
In preparation for telephoning via the Blue-
®
tooth interface, you should check the fol-
lowing items on your mobile phone (see the
mobile phone operating instructions):
Hands-Free Profile
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The mobile phone must support Hands-
Free Profile 1.0 or above.
®
Bluetooth visibility
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On some mobile phones, it is not enough to
activate only the Bluetooth
device must also be made "visible" to other
devices (see the mobile phone operating
instructions).
This visibility is for restricted periods of
time on some mobile phones.
®
R Bluetooth device name
®
Every Bluetooth device has its own Blue-
®
tooth device name. This device name is
freely definable, but can be identical for all
devices from the same manufacturer. It is
therefore recommended that you change
this name so that you can easily recognize
®
interface
®
inter-
®
function on
functions and, where
®
visibility on the
®
function. Your
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