Mobile radio telephone apparatus

A mobile radio telephone apparatus operating in a plurality of zones, where each user operates said apparatus from a mobile terminal in one of said zones. The apparatus comprises P number of mobile terminals in each zone, Q number of communications connecting devices in each zone, and a management connecting device in each zone for recognizing which zone a mobile terminal is located in. The mobile radio telephone apparatus also comprises a controlling unit for controlling the management connecting device so that it operates as an additional communications connecting device in one zone, if one of the P mobile terminals generates a connecting request in the one zone and all Q of the communications connecting devices are already assigned to the other P mobile terminals.