SYSTEM FOR PAYING MOBILE OF CREDIT CARD USING MOBILE PHONE AND METHOD THEREFOR

摘要

PURPOSE: A mobile credit card payment system with a portable terminal and a method thereof are provided to supply mobile credit card payment through the validity verification of a simple payment password inputted by a user and an authentication number transmitted through a portable user terminal. CONSTITUTION: A client(100) receives payment approval completion information corresponding to purchase information from a mediation server(200). The mediation server transmits an SMS including an authentication number for a portable terminal to the portable terminal(300) corresponding to a portable terminal ID. The mediation server transmits payment approval request information to a card company server(400). The mediation server receives the payment approval completion information corresponding to the purchase information from the card company server. [Reference numerals] (210) Random number generator; (220) Payment verification module; (AA) Information network system