COMMUNICATION CHARGE CALCULATION SYSTEM FOR MOBILE TELEPHONE COMMUNICATIONS, COMMUNICATION CHARGE CALCULATION METHOD, INFORMATION SERVER, MOBILE TELEPHONE TERMINAL, AND PROGRAMS THEREFOR

摘要

A mobile phone terminal 103, and notifies the information about the downlink data received from the gateway apparatus 104 to the information server. Information server 104 information on the downlink data that is notified from the via the gateway device 104 and the uplink data amount received from the mobile phone terminal 103 to, a mobile telephone terminal 103, portable telephone terminal 103, from the amount of data communication and, by the traffic calculation formula for calculating the traffic in the mobile telephone network 101, by calculating the traffic in the mobile telephone network 101, and calculates the charges. ; Phone, call charges, information servers, gateways, and charges