Call destination number conversion system for representative phone number connection services

A call destination number conversion system for use in a mobile communications system to provide a representative phone number connection service which permits a user of a mobile station to reach, by simply dialing a representative phone number, a specific subscriber terminal located within a predivided zone where the mobile station stays, the representative phone number being previously assigned to the plurality of subscriber terminals each having an individual phone number, in such a way that the representative phone number will be uniquely associated with one individual phone number within each predivided zone, the call destination number conversion system comprising:

• notification means, disposed in a base station, for notifying the mobile station of the representative phone number and the individual phone number of a subscriber terminal that is associated with the representative phone number and is located in the same predivided zone as the base station resides;
• storage means, disposed in the mobile station, for storing the representative and individual phone numbers notified from said notification means;
• reading means, disposed in the mobile station, for searching said storage means upon receipt of the representative phone number that the mobile user has dialed in an attempt to initiate a call from the mobile station, and reading out the individual phone number that is associated with the representative phone number;
• and
• call requesting means, disposed in the mobile station, for sending a call setup request to the base station, specifying as a call destination number the individual phone number read out by said reading means.