About the White Paper:
This valuable reference offers a comprehensive overview of the technology behind IP telephony and offers essential information to network engineers, designers and managers who need to understand the protocols and explore the issues involved in migrating the existing telephony infrastructure to an IP-based real time communication service. Drawing on extensive research and practical development experience in VoIP from its earliest stages, the authors give access to all the relevant standards and cutting-edge techniques in a single resource. This amply illustrated, state-of-the art reference tool will be an invaluable resource for all those involved in the practical deployment of VoIP technology.
Chapter three explains the origin and purpose of the Session Initiation Protocol (SIP). It also delves into RFC 2543 to RFC 3261 and presents an overview of a simple SIP call, call handling services, instant messaging, SIP security and H.323.
About the Publisher
This excerpt from the book, IP Telephony: Deploying Voice-over-IP Protocols ,' ISBN 0470023597, Copyright 2005 is reproduced by permission of John Wiley & Sons Inc., 111 River Street, Hoboken, NJ 07030-5774. Written permission from is required John Wiley & Sons Inc. for all other uses. Click here for a detailed description or to purchase this title directly from Wiley at a 15% discount. Discount to calculate upon checkout when visiting from TechTarget. Please use code w5558 if discount does not calculate automatically.)
Wiley is a global publisher of print and electronic products, specializing in scientific, technical, and medical books and journals; professional and consumer books and subscription services; and textbooks and other educational materials for undergraduate and graduate students as well as lifelong learners. Wiley has approximately 22,700 active titles and about 400 journals, and publishes about 2000 new titles in a variety of print and electronic formats each year.
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