| 摘要 |
<P>PROBLEM TO BE SOLVED: To perform authorization, sales and inquiry processes without leaving card numbers in an affiliated store terminal. <P>SOLUTION: A card information providing server configured to associatively store a credit card number, a transaction number identifying transaction and a sub number corresponding to the transaction number sends an authorization request sent from the affiliated store terminal to a card company server and, in response to receiving an authorization result, generates and stores in a card information storage part a sub number corresponding to a transaction number and sends the sub number to the source of the authorization request; and in response to an inquiry request for the sub number corresponding to the transaction number sent from the affiliated store terminal, sends the sub number and, in response to an inquiry request for the card number corresponding to the sub number sent from the card company server, sends the card number and sends affiliated store sales data corresponding to the card number to the card company server. <P>COPYRIGHT: (C)2011,JPO&INPIT |
