Providing a thorough overview to SIP (session initiation protocol) servlets 1.1, this unique resource serves as a practical guide to this exciting and emerging communications network technology. Covering all key concepts and their links into Java Enterprise Edition (JEE), the book discusses the construction, deployment and lifecycle of the SIP servlet. Engineers find a detailed presentation of the role, responsibilities, and convergence of the SIP servlet container. Further, the book discusses the development and deployment of SIP technology, including guidance on SIP Servlet client programming.
Understanding SIP Servlets 1.1
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About the Author
Chris Boulton is a technical research specialist working on next generation solutions for Avaya. He has been an active participant in the Internet Engineering Task Force (IETF) for more than six years. Dr. Boulton has authored and participated in numerous specifications related to the Session Initiation Protocol (SIP) and its related extensions. He is also a member of the JSR 309 Media Server API expert group in the Java Community Process(JCP), is on the Technical Board of Advisors for the VOIP Security Alliance (VOIPSA), and has published numerous white papers on VOIP and related technologies. Kristoffer Gronowski is a senior software architect at Ericsson Research, where he focuses on empowering development and evolution of communication services. Dr. Gronowski is a member of the JSR 309 Media Server API expert group in the Java Community Process (JCP) and was one of the three founders and the architect behind the Ericsson Application Server.
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5.0 out of 5 stars
Practical and engaging introduction to a difficult topic
22 May 2009
By Sreeram Duvur
- Published on Amazon.com
Format:Hardcover
Understanding Sip Servlets 1.1
Despite the similarity to HTTP, SIP can be a difficult technology to understand. It is asynchronous, peer to peer and often many parties and protocols are involved, making it a daunting topic. There have been few attempts to demystify but none that deal with the topics head on, from a developer perspective. Chris Boulton and Kristoffer Gronowski have done a good job simplifying concepts and presenting them in an engaging and practical way.
The first half of the book explains SIP concepts, the container role and application programming model. Similarity and differences from Http Servlets are explained. Application composition in SIP is quite different from web, a single SIP request may be seen by multiple applications (this is how you get call filtering, voice mail and call waiting!). Exactly how this works and how it can be changed, is all explained in Chapter 4. The second half of the book is more practical with hands-on code samples for services and clients. Chapter 8 dives deep into the internals of SailFin, an open source sip servlet container, in case you are looking to extend or customize the server functionality.
Overall, the book is informal in style and readable. It walks you through from concepts and API to developing/testing sample services. You get the confidence to try out more stuff on your own. It is worth reading if you planning to develop applications for the mobile network, add voice and messaging interactions to a web site or just want to know more about the technology that underlies modern communications services.
Despite the similarity to HTTP, SIP can be a difficult technology to understand. It is asynchronous, peer to peer and often many parties and protocols are involved, making it a daunting topic. There have been few attempts to demystify but none that deal with the topics head on, from a developer perspective. Chris Boulton and Kristoffer Gronowski have done a good job simplifying concepts and presenting them in an engaging and practical way.
The first half of the book explains SIP concepts, the container role and application programming model. Similarity and differences from Http Servlets are explained. Application composition in SIP is quite different from web, a single SIP request may be seen by multiple applications (this is how you get call filtering, voice mail and call waiting!). Exactly how this works and how it can be changed, is all explained in Chapter 4. The second half of the book is more practical with hands-on code samples for services and clients. Chapter 8 dives deep into the internals of SailFin, an open source sip servlet container, in case you are looking to extend or customize the server functionality.
Overall, the book is informal in style and readable. It walks you through from concepts and API to developing/testing sample services. You get the confidence to try out more stuff on your own. It is worth reading if you planning to develop applications for the mobile network, add voice and messaging interactions to a web site or just want to know more about the technology that underlies modern communications services.
5.0 out of 5 stars
Understanding SIP Servlets 1.1 Book
24 Sep 2009
By Christopher Avila
- Published on Amazon.com
Format:Hardcover|Amazon Verified Purchase
Great book! Clear way to learn how to develop SIP Servlets, I widely recommend this book...
5.0 out of 5 stars
Must have book if you work with SIP Servlets
28 Jun 2009
By Anthony L. Brown
- Published on Amazon.com
Format:Hardcover|Amazon Verified Purchase
This book thoroughly covers the SIP Servlet Container, the Application Router and much more. It is easy to follow and goes way beyond my expectations in its coverage of topics related to SIP Servlets.
I hope these two authors pair up on more books.
I hope these two authors pair up on more books.
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