Sms gateway as a drupal module (1444470)

We are looking for a developer to create a complete sms gateway application that will be part of a drupal web site. Our users will be companies that will upload ther customer contact details and use our service mainly for bulk sms. The main provider will be the [login to view URL] and I will supply with a valid account. The system has to be able to send through a second provide too ([login to view URL]). In the future we may need to add more providers so you have to take it into account when you design the application. We will provide? * an account to a site that can be used as a prototype. * the service provider api and a testing account * an online area on our server for development/testing Deliverables * a? complete operating application testing on our own hosting server * the drupal modules ready to be installed in a live drupal site Requirements * many of the application requirements will have to be defined by the developer with the help of the live site that will be provided * multiple provider support * user friendly environment for the address book (paging, sorting, search). ? * lists with many contacts * scheduled tasks * contacts import and export from csv