See also:

Calls with multiple participants
General information You can switch between calls or connect two calls to a single conference call. These functions must be supported by the mobile phone and service provider. Accepting a call ...

High-beam Assistant
The concept When the low beams are switched on, this system automatically switches the high beams on and off or suppresses the light in the areas that blind oncoming traffic. The procedure is cont ...

Calls with multiple parties
General information You can switch between calls or connect two calls to a single conference call. These functions must be supported by the mobile phone and service provider. Accepting a call ...