| 摘要 |
Disclosed is a method and system for making payment with discounted prices by using temporary card numbers. The method comprises the steps of: (a) at least one discount means being selected by a user of a mobile terminal, and the mobile terminal transmitting temporary card number issue information including the selected discount means to a temporary card number issue device, wherein the mobile terminal in advance stores a plurality of discount means that can substantially discount a transacted price; (b) the temporary card number issue device selecting and storing temporary card numbers corresponding to the temporary card number issue information and transmitting the selected temporary card numbers to the mobile terminal; (c) the mobile terminal transmitting payment information including the temporary card numbers and payment means information including information on a payment means for paying the transacted price to a credit authorization terminal (CAT) if a payment request is received from the user only for a predetermined time period from when the temporary card numbers are received, and extinguishing the temporary card numbers after the predetermined time period from when the temporary card numbers are received; and (d) the CAT receiving the payment information from the mobile terminal, transmitting a request for a transaction authorization to the payment company server by using the payment information, and receiving the transaction authorization from the payment company server. Thus, according to the present invention, it is more easy and convenient to making payment by using coupons. |
