SYSTEM AND METHOD FOR PROVIDING COUPON BY COSTOMARY ESTABLISHMENT IDENTIFICATION AND RECORDING MEDIUM

摘要

PURPOSE: A system and a method for providing a coupon by checking a regular customer, a system thereof and a recording medium therefor are provided to supply a coupon to a member store regular customer during card payment of a customer matched with a regular customer condition that a member store owner sets. CONSTITUTION: Payment process details of a payment authentication result text are read so that a VoIP terminal checks payment authentication(910). The VoIP terminal checks discount information included in the payment authentication result text(920). Coupon data is generated based on the discount information(925). The coupon data is offered to a coupon issuing device connected through the VoIP terminal, cable communication and/or local area communication so that the VoIP terminal outputs a coupon corresponding to the coupon data(930).