Call disconnection while the vehicle is in motion

A call may be disconnected if:
• there is insufficient network coverage in certain areas.
• you move from one transmitter/receiver area (cell) into another and no channels are free.
• you use a SIM card which is not compatible with the network available.
• you are using a mobile phone with "Twincard" and the mobile phone with the second SIM card is already logged into the network.

    See also:

    Menu overview
    The number of menus shown depends on the optional equipment in the vehicle. The Audio and Tel menus differ slightly in vehicles with an audio system and vehicles with COMAND. The examples given ...

    Service and literature
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    Safety systems
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