July 2002
Intermediate to advanced
528 pages
15h 13m
English
Content preview from Practical VoIP Using VOCALBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
Acknowledgments
First of all, we would like to thank the members of the VOCAL development team who helped us bring this book to you:
Alan Knitowski co-founded Vovida Networks, Inc, along with Luan Dang, and served as its CEO from inception until its acquisition by Cisco Systems. VOCAL and the http://Vovida.org website were derived from Alan’s vision of providing developers with open source tools to build SIP-based Voice over IP systems worldwide.
Julie Chan coauthored the user guides, which provided useful material for most of the chapters throughout the book.
Enlai Chu, Doug Hawk, Raghavan Kripakaran, Kim Le, Tom Maneri, Barbara Samson, Mahesh Shankar, and Oscar Thomas helped us with the material that became Chapters 2 through 6.
Amit Bhadoria, Amit Choksi, Sunitha Kumar, Bryan Ogawa, and Surendra Prajapat provided material about the SIP stack for Chapter 8.
Eoin Canny and Chok Lam provided material about the base code for Chapter 9.
Chok Lam and Mitch Zollinger provided material about the User Agent for Chapter 10.
Charles Eckel provided material about Marshal servers for Chapter 11.
Marc Luettchau provided material about the Redirect server for Chapter 12.
Kenny Hom provided material about the CPL Feature server for Chapter 13.
Vincent Rubiere provided material about the Voice Mail server for Chapter 14.
Mason Kudo, Hong Liu, Hsin-shi Lo, and Mallik Medala provided material about the MGCP translator for Chapter 15.
Ian Cahoon provided material about the H.323 translator for Chapter 16.
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.