| 摘要 |
A payment processing system according to the present invention includes: a wireless terminal which receives a resident registration number from a purchaser if a purchase command of a specific product is inputted from the purchaser through an installed application, transmits the resident registration number with a phone number to a service server (wherein, the service server is a server which provides a user authentication and payment service), and requests a payment process according to the purchase command; and the service server which generates an authentication key if the resident registration number and the phone number are received from the wireless terminal through a communications network, and transmits the authentication key to the wireless terminal with an MO reception number (wherein, the MO reception number means a reception number for receiving a message from the wireless terminal in a message oriented (MO) way). The wireless terminal transmits the authentication key, which is received from the service server, to the service server in a message oriented (MO) way. The service server processes a payment for the purchase request of a purchaser, if the phone number of a wireless terminal, which transmits an authentication key in the MO way, and the phone number of a wireless terminal, which transmits a resident registration number, match each other and an authentication key, which is received in the MO way, and the authentication key, which is transmitted to the wireless terminal, match each other. |
