The extension of feedback with SMS. (Jomla 2.5.6 )

Engine: 2.5.6 Jomla
Website: ventys.ru
Sms integration with the service smsintel.ru ( )

Good day.

The site operates a form of request for payment. You need to write an extension that allows all requests to fix in the admin panel and send SMS to customers on receipt of payment.

In Annex 2 of the screenshot:
1) the extension Page
2) Mechanics when you click on the SMS button.