MOBILE TERMINAL LOCATION AUTHENTICATION SYSTEM AND MOBILE TERMINAL LOCATION AUTHENTICATION METHOD

摘要

PROBLEM TO BE SOLVED: To prevent unauthorized use such as using a service employing positional information by camouflaging the current place.;SOLUTION: A service provision system, which is a service provision device for providing a service for a user of a mobile terminal, transmits an identifiable voice signal to a fixed telephone set by communication using a telephone network. When the service provision system receives the same signal as the voice signal transmitted to the fixed telephone set via the telephone network within a certain time period from the mobile terminal via the Internet, the service provision system notifies the mobile terminal of the success of location authentication regarding the position of the fixed telephone set and the position of the mobile terminal functioning as a client as the same.;COPYRIGHT: (C)2013,JPO&INPIT