| 摘要 |
Smart device based method for selling goods and services in gas stations, wherein on the screen of the smart device a graphical user interface is displayed for receiving the purchase order. Purchase order is transmitted over a wireless data channel to a central server. Central server identifies the smart device user's shopping preferences stored in the user profile. Purchase order and user's shopping preferences determine the data necessary to make the purchase and the preferred payment method, and the message is conveyed according to the payment method to the appropriate payment system. The payment system returns the message to the central system accepting or refusing the transaction. The message is forwarded from the central server to the IT system of the gas station where completion of the purchase is authorized. |
