Voice Over IP is the #1 guide for professionals planning or running VoIP applications. Uyless Black covers every current technical standard, protocol, and interoperability solution. The Second Edition adds new chapters on gateways, call processing, and traffic engineering; presents in-depth coverage of Cisco Voice QoS; and is the first book to introduce TRIP, the breakthrough protocol for voice message delivery.About the Author: UYLESS BLACK is a widely known and respected consultant and lecturer on computer networks and data communications and author of every book in the Prentice Hall Series in Advanced Communications Technologies, including IP Routing Protocols and MPLS and Label Switching Networks. He is also creator of Uyless Black's Networking 101 Video Course. Black resides in Virginia's Shenandoah Valley.