SMS Gateway iPhone App

iphone App to send SMS over sms gateway: (Gateway provider has a good choice of apis) Look & Feel: iPhone Style (fresh and fruity) Functionality: - User registration - Logged in user can buy credits via PayPal (or other good payment gateway, if you know one) - full integration of iphone contacts (adress book) - aditional web based phonebook (database) - sms gateway provides delivery notification on succsess, so this has to be implemented - adding / editing Groups - short dial (to speed sms most used numbers) - display message lenght (on the fly, notify if sms needs to be splited up in more than one sms) - bulks sms sending to groups - sms history (sent messages, for easy resend to the same or a different number) - open for good ideas for even more functionality - same functionality should be accessable via Web Browser as well (same look and feel) Language: German (but you can develop in English for a first look, and we will translate then) We provide all the serverside needs (webserver, mysql, php, cgi, perl, domain etc.)