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Search - IP Telephony: Packet-Based Multimedia Communications Systems

IP Telephony PacketBased Multimedia Communications Systems
Author: Olivier Hersent, Jean-Pierre Petit

"This book embraces all of the fields that the VoIP professional needs to be aware of in a clear and organized way... I recommend this book to all VoIP engineers, analysts, and IT managers who really want to know what they are talking about on the net, enjoy!" -Jeff Pulver, founder of the VON (Voice On the Net) coalition, and the founder and pr... more »esident of pulver.com Internet Telephony is now one of the most important and fastest growing technologies on the Internet, providing a viable technical and economical alternative to current telecommunication networks. Network providers and major companies are thus investigating how this emerging technology can be implemented, and at what cost and savings, in their organizations. This book provides a comprehensive practical overview of the technology behind Internet Telephony, giving essential information to IT professionals who need to understand the background and explore the issues involved in migrating the existing telephony infrastructure to an IP based real time communication service. Assuming a working knowledge of IP and ISDN networking, it addresses the technical aspects of real-time applications over IP, with an in-depth coverage of voice and video applications and protocols. Drawing on their extensive research and practical development experience in VoIP from its earliest stages, the authors give you access to all the relevant standards and cutting-edge techniques in a single resource. IP Telephony is organized into three clearly structured sections, focusing on protocols, voice technology and networks with a step-by-step approach. The protocols section sets IP telephony in context and then covers H.323, SIP and MGCP in detail, examining in turn their pros and cons, and using examples of particular cases and scenarios. The voice technology section describes voice quality, including the ETSI TIPHON approach, and voice coding, with summary comments on the applicability to VoIP telephone gateways. The final section on networks addresses Quality of Service (QoS) issues, explores dimensioning a VoIP network, and introduces Multicast routing, including a perspective on security and MBONE applications. Features: *detailed, up-to-date coverage of voice and video applications and emerging protocol standards:H.323, SIP, MGCP

*practical strategies on how to plan and dimension a VoIP network

*key points to look for in choosing a VoIP product & how to avoid common pitfalls in implementation

*examples and illustrations of standards and techniques including feedback information on issues discussed at standards meetings

*details of QoS issues, Intserv (RSVP), DiffServ, RTP, SDF, companion standards, multimedia coding standards and coding algorithms

ISBN-13: 9780201619102
ISBN-10: 0201619105
Publication Date: 12/17/1999
Pages: 456
Rating:

0 stars, based on 0 rating

Publisher: Addison-Wesley Professional
Book Type: Hardcover
Members Wishing: 0
Reviews: Amazon | Write a Review

Genres:

Computers & Technology >> Networking & Cloud Computing >> Networks, Protocols & APIs >> General

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