Wireless telecommunication market is witnessing a shift in business models and market structure as a result of the deployment of new broadband access technologies, spectrum management techniques, policy-based network management, and the drive of new entrants to compete against the incumbents. If you look at operators in the US today – Verizon has 2G, 3G and now LTE; AT&T is rapidly looking to deploy LTE and so is Sprint with its technology refresh program. There are reasons why all the operators need to look intrinsically as well to plug their coverage holes. Deploying new technologies is very exciting but the need to plug holes in the current technologies to address – traffic offload, inter-technology handovers and IP as a layer to guarantee the QOS needed to continue as a data or VOIP session is an often isolated. There have been technologies like IMS around for quite some time that operators have been reluctant to utilize the benefits due to high initial investment needed. But as ..