SYSTEM AND METHOD FOR SUBSTITUTIVE COLLECTION OF IP CONTENTS CHARGE, SERVER AND METHOD FOR CHARGING, AND PROGRAM FOR CHARGING SERVER AND ITS PROGRAM RECORDING MEDIUM

摘要

PROBLEM TO BE SOLVED: To easily and securely collect the charge for various contents provided through an IP network. SOLUTION: Information on correspondence among a sender's telephone number passed from an exchange 1 to an access server 3, a user account and a password sent from a user, and an IP address assigned to the user is gathered, and information on correspondence between contents information and the user IP address when the user uses the contents is also gathered. A charging server 6 combines those two pieces of data together to derive the telephone number of the contents user and bills the contents charge to the telephone number together with the telephone charge.