Importance

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Abstract

A mobile communication system for providing a home zone service and a method thereof. In the mobile communication system, a home zone signal generator generates a home zone signal, a mobile radio terminal receives the home zone signal and determines whether the mobile radio terminal is currently within or outside a home zone based on the strength of the home zone signal, and a base station communicates with the mobile radio terminal. A visitor location register temporarily stores a first and a second telephone numbers of a subscriber, wherein each telephone number represents different charge rates. A mobile exchange receives a call information, a mobile identification number, and the home zone in/out information from the base station and selects one of the first and second telephone numbers of a subscriber corresponding to the mobile identification number and the home zone in/out information. A billing center receives the call information and one of the selected first and the second telephone numbers from the mobile exchange and generates a service charge for the call connection.

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First Claim