Premium SMS Billing Platform/Script

I need a platform that connects to mblox or mxtelecom or other sms gateways. 1. run double optin sms campaigns (mailing list, voting, text alerts, quiz, other interactive campaigns, etc) 2. deliver ringtone and other media Please describe your qualifications only related to: -You integrated with a sms gateway for 2-way premium SMS. (not just one-way as every programmer has 1-way experience). -You understand how WAP sites work -You know Device detection well -You know wireless file formats well -You have SMPP experience, [login to view URL] -PHP5/MySQL5, datagrids, smarty templates I am currently using a Premium Rate SMS Services and Reverse Billing Solutions: [login to view URL] Require a platform which performs exact same tasks.