SMS List Building Service To Be Created

I would like to create a service that businesses can 1. sign up to 2. create keywords like 'beerme' 3. have customers text 'beerme' to a 5 digit # like 12345 4. be added to that businesses SMS list 5. business can send out promotions to sms list Here is a great service that I'd like to model: [login to view URL] - ONLY the text message list building portion Signup to [login to view URL] for FREE to see the SMS Text Message building section, that's exactly what I want to build. Please reply to this bid request with. 1. How you create the 5 digit number? 2. How you create the system to add subscribers who text a keyword to the 5 digit number? If I like your answer, I'll reply with more information, and we can talk price and time to complete! ## Deliverables 1) Complete and fully-functional working program(s) in executable form as well as complete source code of all work done. 2) Deliverables must be in ready-to-run condition, as follows (depending on the nature of the deliverables): a) For web sites or other server-side deliverables intended to only ever exist in one place in the Buyer's environment--Deliverables must be installed by the Seller in ready-to-run condition in the Buyer's environment. b) For all others including desktop software or software the buyer intends to distribute: A software installation package that will install the software in ready-to-run condition on the platform(s) specified in this bid request. 3) All deliverables will be considered "work made for hire" under U.S. Copyright law. Buyer will receive exclusive and complete copyrights to all work purchased. (No GPL, GNU, 3rd party components, etc. unless all copyright ramifications are explained AND AGREED TO by the buyer on the site per the coder's Seller Legal Agreement). ## Platform dunno