Mobile operators are moving to a data-centric world. LTE has become the most rapidly deployed cellular network technology in the industry's history and the demise of circuit switching—while still on the distant horizon—is now in sight.
In the commercial infancy of LTE the industry has, for good reasons, focused on the improvements the technology can deliver to data access and services. But LTE is also the future of mobile voice, and the migration to this new evolutionary stage of speech communication has already begun.
This whitepaper will argue that VoLTE creates a significant opportunity for operators, but warns that the evolution from existing voice services will place before them a number of serious challenges.