The first book published on how to use Voice Over IP (VoIP) products from Nortel Networks, the largest supplier of voice products in the world. The book begins with a discussion of the current protocol used for transmitting converged data over IP and the description of Nortel hardware and software solutions for network convergence. If you are tasked with designing, installing, configuring, and troubleshooting a converged network built with Nortel's Multimedia Concentration Server 5100, and Multimedia Communications Portfolio (MCP) products, then this is the only book you need.