| 摘要 |
PROBLEM TO BE SOLVED: To provide a price settlement system using a mobile terminal machine and a price settlement method for performing authentication by simple procedures, and providing improved security.SOLUTION: Improved security is provided by using: authentication means for performing authentication by simple procedures without performing input of a plurality of pieces of information and complicated procedures, and receiving input of a settlement password from a purchaser 10; and a radio voice telephone call channel which separately operates an institution for performing authentication procedures or a server, and minimizes a fear of hacking especially in input of the settlement password by a mobile terminal machine 500 when financial institute account transfer is selected as a price settlement system of merchandise and/or service. |
