Developing a SMS Long code (seven digit cell number)gateway

Seeking to develop and implement a long code (verse a short code) SMS text messaging gateway. ## Deliverables I would like a more cost effective way to send SMS text messages locally and internationally with a short code or email send. I'd like to implement a commerical and compliant long code capability for my me and my clients. The example I have in mind is the following: <[login to view URL]> I am terriblity technical but I believe I need to develop a gateway to achieve this. Please advise.