<p>The device (1) has a brew unit (3) filled with hot water and extraction agent i.e. coffee. A prepared beverage is fillable in a container (14) i.e. cup, via a beverage outlet (15). A cooling device supplies ice for cooling the beverage. An ice dosing device (16) automatically doses ice cubes during beverage preparation. The dosing device has an ejector ejecting the ice cubes from an accommodator in a preset position. The ejector has a lever driven by a camshaft and movable against a bottom section of the accommodator. A sensor detects filling of a chamber of the accommodator.</p>