Mobile Phone Top Up Software to integrate with RMS.

Mobile Phone Top Up Software to integrate with RMS. Ie to Allow retail Customer to purchase Vodafone, O2 & Meteor Phone Credit through an integrated Software client that Runs on my RMS EPOS in our Petrol Stations. When the Customer requests a Top up the Operator will enter that Product Code and the Top up will Print out with the Unique Top Up Code for the Customer to use. The Software would have to manage the Database of Phone Top Up Code Stock, Download(via Broadband) new Stock from a Database of Top Up Credit, Report on its Pricing and Usuage.