Each segment of the entire voice mobility solutions described by eye to the inherent problems of high mobility scale, the cable infrastructure to end devices, in multiple networks and technologies. Voice mobility is introduced and defined at base level before the book review the components of high-level scalable voice mobility solutions. Chapters focus on several types of transport networks in greater depth, including voice quality metrics and testing, high-density enterprise Wi-Fi voice networks, cellular networks, and high-tech network. VoIP network security considered.The book also explores the independent VoIP networks and ultimately provide an investigation of the set of current and future approach to the convergence of fixed / mobile. This book is a valuable guide for anyone looking at voice mobility as a solution to real-world business problems: IT managers and executives seeking to understand the potential to convert to all-wireless office, network designers and architects plans to hold a full-voice cellular networks, and operation or mobility voice network administrator tips. Providing practical advice to break the implementation and deployment of voice mobility network in the office, on campus, and on the road. Offering a complete primer on Wi-Fi networks for enterprise-grade voice mobility on a scale, either as a single-mode or dual-mode network, including information about the latest 802.11n standard and how these standards directly impact the voice mobility. Including methods to integrate existing networks or new VoIP with 3G +, CDMA 2000, WCDMA, HSPA, WiMAX and cellular networks using fixed / mobile convergence (FMC).