Arrangement and interface module for connecting different radio telephones to operator components in a motor vehicle

The invention relates to an arrangement for remote controlling a mobile radio telephone ( 1 ) in a motor vehicle with a standard hands-free device ( 2 ), which is installed as an independent item of equipment in the vehicle, contains a microphone and a loudspeaker and which is connected to the radio telephone ( 1 ). According to the invention, the radio telephone ( 1 ) is connected via an independent central interface module ( 5 ) to an input unit ( 3 ) and to an output unit ( 4 ) of another electronic item of equipment installed in the vehicle. The interface module ( 5 ) communicates via standardized interfaces ( 6 ) with the radio telephone ( 1 ) and with the input unit ( 3 ) and with the output unit ( 4 ) and contains a communications management unit ( 7 ) for converting the data formats between the radio telephone ( 1 ) and the input unit ( 3 ) and the output unit ( 4 ).