The mobile telephone (1) is inserted into a transportable docking station (30), retained by a holder in the car. The docking station offers the functions of a hands-free unit, or connects to one.

The holder (200) has a holding arrangement and a contacting unit held in an open position by at least one retaining arrangement (25), which releases the holding arrangement and/or the contacting unit if the telephone (201) operates a switch in a shell of t...