Patent ID: 7336971

Claim:
A system for providing a private mobile communication service, comprising: a public base transceiver station disposed within a public/private common cell area and providing a public mobile communication service; a private base transceiver station disposed within said public/private common cell area and providing a private mobile communication service; and a first mobile station establishing a radio communication channel with both the public base transceiver station and the private base transceiver station, when the first mobile station moves from a public-only cell area to said public/private common cell area, said first mobile station determining whether an identifier indicating a request for the private mobile communication service is added to a dialed phone number entered by a user, establishing a traffic channel with the private base transceiver station when it is determined that the identifier is added to the dialed phone number, and establishing a traffic channel with the public base transceiver station when it is determined that the identifier is not added to the dialed phone number, wherein the first mobile station sends a signal indicating that the first mobile station is busy to the public base transceiver station when a traffic channel request signal is received through the public base transceiver station while the first mobile station is provided with the private mobile communication service through the private base transceiver station.