CELLULAR PHONE SYSTEM, CELLULAR PHONE TERMINAL, PERSONAL INFORMATION PROTECTING METHOD, PERSONAL INFORMATION PROTECTING PROGRAM AND PROGRAM RECORDING MEDIUM

摘要

PPROBLEM TO BE SOLVED: To provide a personal information protecting method capable of preventing leakage of personal information owing to a lost or stolen cellular phone. PSOLUTION: When a cellular phone terminal 103 capable of connecting to both a radio cellular phone base station 104 for a public network and a radio LAN access point 101 for a specific private radio network enters into a radio LAN area 102 of the specific private radio network, at least one part of at least one data processing function of an address book function 103a, a bookmark function 103b and a mailbox function 103c which deal with the personal information in the cellular phone terminal 103 is activated. On the contrary, in a case of a cellular phone terminal 106, when the cellular phone terminal 103 moves out of the radio LAN area 102 and moves to a cellular phone area 105 for the public network, the at least one part of the functions which has been activated is inactivated. The function to be activated or inactivated may be changed, depending on a plurality of private radio networks or users of cellular phone terminals. PCOPYRIGHT: (C)2008,JPO&INPIT