Sequence diagram of payment

1. The customer selects the product on the store website.
2. The customer confirmed the order.
3. The order is generated on the server of the store.
4. The customer clicked the "Pay" button.
5. The server of the store receives an order for payment.
6. Payment information is sent to the IPS Assist
7. IPS Assist displays the payment page for the customer.
8. The customer enters the card data on the payment page.
9. IPS Assist carries out authorization (payment) in the acquiring bank.
10. The execution of an interbank transaction.
11. The acquiring bank returns the payment result.
12. IPS Assist returns the payment result to the store server.
13. The payment result is displayed on the store website.
14. IPS Assist sends fiscal data to the server of the store.
15. IPS Assist sends an electronic cheque to the customer using Email and / or SMS.

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