Describes the technological solutions and standards which willenable the migration of voice and SMS services over to LTE/EPCnetworksMain drivers for the introduction of Long Term Evolution ofUTRAN (LTE) is to provide far better end user experience for mobilebroadband services. However, service providers also need to have aclear strategy of how to offer voice and messaging services forconsumers and enterprises. The voice service over LTE is becomingincreasingly important when the smartphone penetration isincreasing rapidly. Smartphones require both good quality voice andhigh speed broadband data.This book provides the exhaustive view to industry-approvedtechnologies and standards behind the Voice over LTE (VoLTE).Whether a decision maker or technology analyst, this book explainsa topic of substantial global market interest. Itprovides a good introduction to the technology and is useful foroperators who may be deploying VoLTE, product managers responsiblefor VoLTE products and those who work in implementation andstandardization of related technologies.* Provides a comprehensive overview of industry-approvedtechnologies and standards, providing vital information fordecision makers and those working on the technology* Written by authors working at the cutting edge of mobilecommunications technology today, bringing a mix of standards andproduct background, guaranteeing in-depth practical and standardsinformation* Covering the technical and practical elements of VoLTE,explaining the various approaches for providing voice services overLTE