L Goleniewski, KW Jarrett - 2006 - books.google.com
Telecommunications Essentials, Second Edition, provides a comprehensive overview of the rapidly evolving world of telecommunications. Providing an in-depth, one-stop reference for …
Written by todayOCOs leading experts in industry and academia, Wireless IP and Building the Mobile Internet is the first book to take a comprehensive look at the convergence of …
J Davidson, J Peters, B Gracely - 2000 - books.google.com
A systematic approach to understanding the basics of Voice over IP Understand the basics of PSTN services and IP signaling protocols, including SS7 Learn how VoIP can run the …
More and more businesses today have their receive phone service through Internet instead of local phone company lines. Many businesses are also using their internal local and wide …