1.Introduction of manual payment service: A service that makes payment by card simply by the expiration date of the card number.
2.SMS text payment service: A service in which the customer enters the card payment information and makes payment by sending SMS text messages to the customer.
3. Smartphone terminal payment: This is a service that pays a credit card by connecting a card payment machine to a smartphone.
2.SMS text payment service: A service in which the customer enters the card payment information and makes payment by sending SMS text messages to the customer.
3. Smartphone terminal payment: This is a service that pays a credit card by connecting a card payment machine to a smartphone.
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