COMMUNICATION METHOD, CHARGE PROCESSING SYSTEM, PORTABLE TERMINAL, PROGRAM AND RECORDING MEDIUM

摘要

PROBLEM TO BE SOLVED: To contrive convenience for a customer, etc., by enabling payment of charges by using a portable terminal. SOLUTION: A charge processing system 90 informs the portable terminal 10 of the customer of a claim number and a claimed amount by mail when a mail transmission day comes (1). The customer can perform checkout by accessing the charge processing system 90 with the portable terminal 10. The customer inputs the claim number, the claimed amount informed by the mail and identification information (card number here) to be used for settlement. The pieces of information are transmitted to the charge processing system 90 (2). The charge processing system 90 requests the settlement to a settlement system 60 of a card company or a settlement system 70 of a bank by transmitting the claimed amount and the card number to them (3). The settlement system 60 of the card company or the settlement system 70 of the bank performs a settlement processing.