BUILDING TELEPHONY SYSTEMS WITH OPENSIPS 1.6 FREE PDF

By Goncalves Flavio E. The whole telecommunication industry is changing to an IP environment, and telephony in the way we know today will disappear in less than ten years. SIP is the protocol leading this disruptive revolution and it is one of the main protocols on next-generation networks. This book will give you a competitive edge by helping you to create a SIP infrastructure capable of handling tens of thousands of subscribers. The book starts with the simplest configuration and evolves chapter by chapter teaching you how to add new features and modules. You will learn about features such as authentication, PSTN connectivity, user portals, media server integration, billing, NAT traversal, and monitoring.

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By Goncalves Flavio E. The whole telecommunication industry is changing to an IP environment, and telephony in the way we know today will disappear in less than ten years. SIP is the protocol leading this disruptive revolution and it is one of the main protocols on next-generation networks. This book will give you a competitive edge by helping you to create a SIP infrastructure capable of handling tens of thousands of subscribers. The book starts with the simplest configuration and evolves chapter by chapter teaching you how to add new features and modules.

You will learn about features such as authentication, PSTN connectivity, user portals, media server integration, billing, NAT traversal, and monitoring. The idea is to have a simple but complete running VoIP provider by the end of the book.

The case study grows chapter by chapter, from installing your local development server, right up to the finished VoIP provider. It is suitable for VoIP providers, large enterprises, and universities. Telephony and Linux experience will be helpful but is not essential. All rights reserved.

No part of this book may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, without the prior written permission of the publisher, except in the case of brief quotations embedded in critical articles or reviews. Every effort has been made in the preparation of this book to ensure the accuracy of the information presented.

However, the information contained in this book is sold without warranty, either express or implied. Neither the author, nor Packt Publishing, and its dealers and distributors will be held liable for any damages caused or alleged to be caused directly or indirectly by this book.

Packt Publishing has endeavored to provide trademark information about all of the companies and products mentioned in this book by the appropriate use of capitals. However, Packt Publishing cannot guarantee the accuracy of this information. Flavio E. Goncalves was born in in Brazil. Having always had a strong interest in computers, he got his first personal computer in and since then it has been almost an addiction. He received his degree in Engineering in with a focus on computer-aided design and computer-aided manufacturing.

He is also the CEO of V. Office Networks in Brazil—a consulting company dedicated to the areas of Networks, Security, and Telecommunications and a training center since its foundation in He started writing about open source software because he thinks that the way certification programs were organized in the past was very good for helping learners.

Some books today are written by strictly technical people who, sometimes, do not have a clear idea of how people learn. He tried to use his 15 years of experience as an instructor to help people learn about the open source telephony software. His experience with networks, protocol analyzers, and IP telephony combined with his teaching experience give him an edge to write this book. As the CEO of V. Office, Flavio E.

Goncalves balances his time between family, work, and fun. He is a father of two children and lives in Florianopolis, Brazil, one of the most beautiful places in the world. He dedicates his free time to water sports such as surfing and sailing. Writing this book has been a process that involved many people. I would like to thank the staff at Packt Publishing who worked in all the processes of reviewing and editing the book.

Finally, I would like to thank my family for all the support they gave me during all these years. In other words, Bogdan's interest was to create knowledge by the work with the project and to provide the knowledge where needed embedded in commercial products or in raw format as consultancy service.

Goncalves, the author of this book, he started to run OpenSIPS Bootcamp since , an intensive training dedicated to people who want to learn and get hands-on experience on OpenSIPS from the most experienced people.

Bogdan-Andrei Iancu's main concern is to research and develop new technologies or new software for SIP-based VoIP actually, this is the reason for his strong involvement with the OpenSIPS project , and to pack all these cutting-edge technologies as professional solutions to the industry. Justin Thomas Zimmer has worked in the contact-center technology field for twelve years. During that time, he has performed extensive software and computer telephony integrations using both PSTN and IP telephony.

His current projects include system designs utilizing open source soft switches over more traditional proprietary hardware-based telephony and the integration of these technologies into market-specific CRM products.

As the Technical Partner of Unicore Technologies out of Phoenix, Arizona, Justin is developing custom business solutions utilizing open source software. Unicore's solutions present businesses with low startup costs in a turbulent economy. He has worked on The Hopewell Blogs —a science fiction adventure novel that will be released online chapter-by-chapter, and available in print once the final chapter has been released.

I'd like to thank the countless community contributors who have provided enough online documentation to make this book as accurate and helpful as possible. And I'd like to thank my wife Nicole for putting up with the extra hours spent reviewing this book, as well as my boys Micah, Caden, and daughter Keira for giving up some of their daddy-time for this project.

This book starts with the simplest configuration and evolves chapter by chapter, teaching you how to add new features and modules. You will see the configuration file, its modules, the configuration blocks, and so forth. Chapter 4, Scripting and Routing Basics discusses the basics needed to construct a working routing script. It explains the global configuration parameters for scripting, the modules, and the routing statements available.

It will teach you how to configure access, handle domains, and customize portals. Chapter 8, Media Services Integration teaches you how to connect OpenSIPS to external media servers for implementing user preferences like call forwarding, and integrating databases for simplified administration.

Our objective of writing this book is to take the user from the basics up to the level required to run an OpenSIPS server in a VoIP provider, in an enterprise. Some interesting topics have not been covered. This is because we consider them to be a bit advanced for an introductory book. We hope to cover them soon in another title to be announced. In this book, you will find a number of styles of text that distinguish between different kinds of information. Here are some examples of these styles, and an explanation of their meaning.

A block of code is set as follows:. When we wish to draw your attention to a particular part of a code block, the relevant lines or items are set in bold:. New terms and important words are shown in bold. Words that you see on the screen, in menus or dialog boxes for example, appear in the text like this: Now, choose Finish partitioning and write changes to disk.

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Preface This book starts with the simplest configuration and evolves chapter by chapter, teaching you how to add new features and modules. Conventions In this book, you will find a number of styles of text that distinguish between different kinds of information. Note Warnings or important notes appear in a box like this. Tip Tips and tricks appear like this. Reader feedback Feedback from our readers is always welcome.

Customer support Now that you are the proud owner of a Packt book, we have a number of things to help you to get the most from your purchase. The downloadable files contain instructions on how to use them. Errata Although we have taken every care to ensure the accuracy of our content, mistakes do happen. Start your free 30 days. Page 1 of 1.

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JavaScript seems to be disabled in your browser. For the best experience on our site, be sure to turn on Javascript in your browser. The whole telecommunication industry is changing to an IP environment, and telephony in the way we know today will disappear in less than ten years. SIP is the protocol leading this disruptive revolution and it is one of the main protocols on next-generation networks.

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