This book explores the future of mobile communications networks from 3G trials‎,‎ developments and products‎,‎ to what will follow in the future‎.‎ The increasing demands for services and higher quality continue to drive forward the technological capabilities‎.‎ The implications of increasing mobile customer numbers on a global scale are investigated‎,‎ as well as the convergence of mobile and the Internet‎,‎ which‎,‎ it is envisaged‎,‎ will provide the next massive growth burst to the mobile market and 3G networks‎.‎ The book covers the evolution to support multimedia architecture from GSM to UMTS‎,‎ voice and Internet multimedia in UMTS networks‎,‎ 3G service control‎,‎ the OSA API and related issues‎;‎ and mobile standards which are a critical dependency for 3G and future developments‎.‎ The book also explores the Virtual University Research Initiative on mobility‎,‎ Virtual Centre of Excellence in mobile and personal communications‎,‎ and BT‎'‎s other mobile ventures and alliances in the mobile arena‎.‎ This book is essential reading for telecommunic‎.‎‎.‎‎.‎