SIP: Understanding the Session Initiation Protocol, Second Edition

Overview

Introduces the session initiation protocol (SIP), which is a new signaling protocol developed to set up, modify, and tear down multimedia sessions over the Internet. Johnston, a former engineer at WorldCom, defines the types of clients and servers in a SIP network, and describes the function of request messages, response messages, and SIP headers. The second edition adds a chapter on SIP mobility and wireless multimedia communications. Annotation ©2004 Book News, Inc., Portland,...
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Overview

Introduces the session initiation protocol (SIP), which is a new signaling protocol developed to set up, modify, and tear down multimedia sessions over the Internet. Johnston, a former engineer at WorldCom, defines the types of clients and servers in a SIP network, and describes the function of request messages, response messages, and SIP headers. The second edition adds a chapter on SIP mobility and wireless multimedia communications. Annotation ©2004 Book News, Inc., Portland, OR
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Editorial Reviews

From Barnes & Noble
The Barnes & Noble Review
Author Alan Johnston has written an erudite yet comprehensible little volume on the eminently sexy network technology known as session initiation protocol (SIP). SIP is basically in its infancy, with a great deal of potency to offer the future of mobile technology. While the first edition of his book saw SIP through its infancy, the second edition brings the young protocol into its adolescence, with all the future promise of adulthood.

The author begins by covering some background for the understanding of the protocol. The example message exchanges will introduce SIP as defined by RFC 3261. Next, the types of clients and servers in a SIP network are introduced and defined. Then Johnston covers the types of SIP requests called methods, followed by the types of SIP response messages and the header fields present in SIP messages. Next, related Internet protocols mentioned or referenced in other sections of the book are introduced, along with details on the use of the protocol with SIP. Then Johnston compares SIP to another IP telephony signaling protocol: the International Telecommunication Union (ITU) recommendation H.323, entitled "Packet-Based Multimedia Communication." Next, the mobility features of SIP are explored further. Finally, the author discusses some future areas of work in SIP-related working groups in the Internet Engineering Task Force (IETF).

This excellent book is written for practitioners, and for those who need to know the intricacies of the protocol. It is an outstanding reference that you will want on your bookshelf if you are involved in the design of networking or new applications. John R. Vacca

John R. Vacca, the former computer security official (CSO) for NASA's space station program (Freedom), has written nearly 40 books about advanced storage, computer security, and aerospace technology.

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Product Details

  • ISBN-13: 9781580536554
  • Publisher: Artech House, Incorporated
  • Publication date: 11/1/2003
  • Series: Artech House Telecommunications Library
  • Edition number: 2
  • Pages: 310
  • Product dimensions: 6.16 (w) x 9.34 (h) x 0.86 (d)

Table of Contents

Foreword to the First Edition
Preface to the Second Edition
Preface to the First Edition
1 SIP and the Internet 1
2 Introduction to SIP 17
3 SIP Clients and Servers 43
4 SIP Request Messages 71
5 SIP Response Messages 107
6 SIP Header Fields 127
7 Related Protocols 163
8 Comparisons to H.323 181
9 Wireless and 3GPP 193
10 Call Flow Examples 207
11 Future Directions 261
App. A Changes in the SIP Specification from RFC 2543 to RFC 3261 267
About the Author 271
Index 273
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