Important Updates!This third edition has been reorganized and updated throughout. It encompasses new standards and identifies and explains emerging digital technologies currently revolutionizing the i..

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The BlackBerry has become an invaluable tool for those of us who need to stay connected and in the loop. But most people take advantage of only a few features that this marvelous communications device..

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Voice over Internet Protocol (VoIP) is gaining a lot of attention these days, as more companies and individuals switch from standard telephone service to phone service via the Internet. The reason is ..

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This book was written for the thousands of IT professionals-from CIOs to circuit-switched telecom engineers-who are now responsible for deploying and maintaining secure VoIP networks. The book explain..

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This "Introduction to IP Telephony" book explains why companies are converting some or all of their telephone systems from dedicated telephone systems (such as PBX) to more standard IP telephony syste..

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The first book published on deploying Voice Over IP (VoIP) products from Nortel Networks, the largest supplier of voice products in the world.This book begins with a discussion of the current protocol..

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As one of the hottest programming languages in use today, C# enables you to build a wide range of secure and robust enterprise applications that run on the .NET Framework, including XML Web services, ..

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There's nothing ordinary about JBoss. What began as an open source EJB container project six years ago has become a fully certified J2EE 1.4 application server with the largest market share, competiti..

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