CHARGING METHOD AND SYSTEM, PURCHASE CONTROL TERMINAL, AUTHENTICATION CHARGING SERVER, SALES SERVER, CHARGING PROGRAM AND STORAGE MEDIUM STORING CHARGING PROGRAM

摘要

PROBLEM TO BE SOLVED: To enable instantaneous settlement at the time of purchasing contents on a network or the like, capable of settlement by prepayment and post- payment, etc., for which a medium is inexpensive. SOLUTION: In a server of an authentication charging center, an authentication medium is authenticated corresponding to a request from a purchase control terminal, also a sales ID which is an identifier for merchandise purchase is generated corresponding to the authentication medium and delivered to the purchase control terminal and the sales ID delivered from the purchase control terminal to a sales server is inspected by a request from the sales server. When the inspection of the sales ID is a success, charging is performed for a value related to the authentication medium corresponding to the sales ID.