| 摘要 |
PROBLEM TO BE SOLVED: To easily perform ordering and purchasing of an article, to reduce a risk to occur when purchasing the article, and to safely purchase the article in a selling and buying service system for ordering utilizing a wireless telephone. SOLUTION: In the case of ordering to an article selling and buying server by the wireless telephone, first of all, a memory card is loaded into terminal equipment, communication with the article selling and buying server is performed, and a selling and buying ID is generated on the terminal equipment to become a key of selling and buying as a result and written on the memory card. Then, the memory card is inserted to the wireless telephone, and the selling and buying ID and an article ID specifying the article are transmitted to the article selling and buying server. The selling and buying ID is enciphered as needed. |
