The Tatara Mobile Services SDK enables service providers who want to grow and retain ownership of its customers and have already deployed a mobile services client, to deliver rich, compelling, converged mobile services, previously unavailable with the existing client, to both existing and new devices. The Tatara Mobile Services SDK provides software that enables the Tatara patented Services Operations Control Channel on a user's mobile device as a plug-in integrated into an existing client application. The enhanced client application enables end users access to converged mobile services from a single branded service provider and over the best available network. The functionality enabled by the Tatara Mobile Services SDK requires the Tatara Subscriber Gateway in the service provider network.