Whether youre new to telecommunications and IT or simply want an understandable, comprehensive review of the state-of-the-art, this book is for you. Leading telecommunications trainer and consultant Lillian Goleniewski combines clear explanations of fundamental principles with in-depth, up-to-the minute coverage of networking and the Internet. More than competitive guides, Telecommunications Essentials combines the global breadth and technical depth readers need to truly master telecommunications. Telecommunications Essentials covers the entire spectrum of telecommunications technology and services, current and emerging: telephony (voice networks), IP telephony, data networks, broadband, cable, xDSL, wireless, the PSTN (Public Switched Telephone Netw...