PDF Download Building Telephony Systems with OpenSIPS - Second Edition, by Flavio E. Goncalves, Bogdan-Andrei Iancu
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Build high-speed and highly scalable telephony systems using OpenSIPS
About This Book
- Install and configure OpenSIPS to authenticate, route, bill, and monitor VoIP calls
- Gain a competitive edge using the most scalable VoIP technology
- Discover the latest features of OpenSIPS with practical examples and case studies
Who This Book Is For
If you want to understand how to build a SIP provider from scratch using OpenSIPS, then this book is ideal for you. It is beneficial for VoIP providers, large enterprises, and universities. This book will also help readers who were using OpenSER but are now confused with the new OpenSIPS.
Telephony and Linux experience will be helpful to get the most out of this book but is not essential. Prior knowledge of OpenSIPS is not assumed.
What You Will Learn
- Learn to prepare and configure a Linux system for OpenSIPS
- Familiarise yourself with the installation and configuration of OpenSIPS
- Understand how to set a domain and create users/extensions
- Configure SIP endpoints and make calls between them
- Make calls to and from the PSTN and create access control lists to authorize calls
- Install a graphical user interface to simplify the task of provisioning user and system information
- Implement an effective billing system with OpenSIPS
- Monitor and troubleshoot OpenSIPS to keep it running smoothly
In Detail
OpenSIPS is a multifunctional, multipurpose signalling SIP server. SIP (Session Initiation Protocol) is nowadays the most important VoIP protocol and OpenSIPS is the open source leader in VoIP platforms based on SIP. OpenSIPS is used to set up SIP Proxy servers. The purpose of these servers is to receive, examine, and classify SIP requests. The whole telecommunication industry is changing to an IP environment, and telephony as we know it today will completely change 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. While a VoIP provider is not the only kind of SIP infrastructure created using OpenSIPS, it is certainly one of the most difficult to implement.
This book will give you a competitive edge by helping you to create a SIP infrastructure capable of handling tens of thousands of subscribers.
Starting with an introduction to SIP and OpenSIPS, you will begin by installing and configuring OpenSIPS. You will be introduced to OpenSIPS Scripting language and OpenSIPS Routing concepts, followed by comprehensive coverage of Subscriber Management. Next, you will learn to install, configure, and customize the OpenSIPS control panel and explore dialplans and routing. You will discover how to manage the dialog module, accounting, NATTraversal, and other new SIP services. The final chapters of the book are dedicated to troubleshooting tools, SIP security, and advanced scenarios including TCP/TLS support, load balancing, asynchronous processing, and more.
A fictional VoIP provider is used to explain OpenSIPS and by the end of the book, you will have a simple but complete system to run a VoIP provider.
Style and approach
This book is a step-by-step guide based on the example of a VoIP provider. You will start with OpenSIPS installation and gradually, your knowledge depth will increase.
- Sales Rank: #749255 in eBooks
- Published on: 2016-01-30
- Released on: 2016-01-30
- Format: Kindle eBook
About the Author
Flavio E. Goncalves
Flavio E. Goncalves was born in 1966 in Brazil. Having a strong interest in computers, he got his first personal computer in 1983, and since then, it has been almost an addiction. He received his degree in engineering in 1989 with a focus on computer-aided designing and manufacturing. He is also the CTO of SipPulse Routing and Billing Solutions in Brazil―a company dedicated to the implementing of small-to-medium telephone companies, VoIP providers, and large-scale new generation telephony systems. Since 1993, he has participated in a series of certification programs and been certificated as Novell MCNE/MCNI, Microsoft MCSE/MCT, Cisco CCSP/CCNP/CCDP, Asterisk dCAP, and some others. He started writing about open source software because he thinks that the way certification programs have worked is very good for learners. Some books are written by strictly technical people who sometimes do not have a clear idea on 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. Together with Bogdan, he created the OpenSIPS boot camp followed by the e-learning program, OpenSIPS eBootcamp. His experience with networks, protocol analyzers, and IP telephony combined with his teaching experience gave him an edge to write this book. This is the fourth book written by him. The first one was Configuration Guide for Asterisk PBX, by BookSurge Publishing, the second was Building Telephony Systems with OpenSER, by Packt Publishing, and the third was Building Telepopny Systems With OpenSIPS 1.6, by Packt Publishing. As the CTO of SipPulse, Flavio balances his time between family, work, and fun. He is the 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.
Bogdan-Andrei Iancu
Bogdan-Andrei Iancu entered the SIP world in 2001, right after graduating in computer science from the Politehnica University of Bucharest, Romania. He started as a researcher at the FOKUS Fraunhofer Institute, Berlin, Germany. For almost four years, Bogdan accumulated a quick understanding and experience of VoIP/SIP, being involved in research and industry projects and following the evolution of the VoIP world closely. In 2005, he started his own company, Voice System. The company entered the open source software market by launching the OpenSER/OpenSIPS project―a free GPL-SIP proxy implementation. As the CEO of Voice System, Bogdan pushes the company in two directions: developing and supporting. The OpenSIPS public project (Voice System being the major contributor and sponsor of the project) creates professional solutions and platforms (OpenSIPS-based) for the industry. In other words, Bogdan's interest was to create knowledge (through the work with the project) and to provide the knowledge where needed (embedded in commercial products or raw format as consultancy services). In the effort of sharing the knowledge of the SIP/OpenSIPS project, he started to run the OpenSIPS Bootcamp in 2008 together with Flavio E. Goncalves, which is intensive training dedicated to people who want to learn and get hands-on experience on OpenSIPS from experienced people. Bogdan's main concern is to research and develop new technologies or software for SIP-based VoIP (this is the reason for his strong involvement with the OpenSIPS project) and pack all these cutting-edge technologies as professional solutions for the industry.
Most helpful customer reviews
0 of 0 people found the following review helpful.
Fast track to your own VoIP server with OpenSIPS
By adnan baloch
This book serves as a good foundation for designing and implementing your own VoIP system. The author begins with the basics of the SIP protocol and its various components. The star of the show, OpenSIPS, is detailed in the next chapter. As the author explains, over the years OpenSIPS has evolved into the heart of a full-fledged SIP processing and handling solution. With its high traffic throughput, extensibility with modules and a powerful scripting language, OpenSIPS has you covered. The author thoroughly explains the installation of OpenSIPS on Linux. The author takes readers through a practical overview of the scripting required to direct the routing of SIP messages. Authentication is a critical function performed by OpenSIPS. This data needs to be persistent so naturally a database is required at the backend. The author uses MySQL for this purpose but the example scripts can easily be adapted to any other supported database. OpenSIPS comes with a GUI that makes adding/deleting users trivial, along with a lot of other useful functionality. This aspect is covered in a chapter of its own. The latter half of the book touches upon such important topics as interfacing with PSTN gateways, using the dialog module of OpenSIPS and overcoming the problem presented by network address translation. Configuring the Asterisk media server, using built-in and external monitoring tools for troubleshooting and securing OpenSIPS to thwart cyber attacks are covered in detail before the author wraps up with some advanced topics specific to OpenSIPS 2.1. All in all, this book doesn’t disappoint with chock-full of useful information spanning over almost 400 pages.
0 of 0 people found the following review helpful.
If you are new to SIP protocol this book is a great resource. Reading RFCs and specifications (there are a ...
By Stas Kobzar
I was helping with this book as a reviewer and I had a chance to read it through.
Several years ago, when I just started to learn SIP and SIP proxies, I have read the first edition of the book of the same author. It helped me a lot on my way of learning and implementing scalable and robust VoIP systems with OpenSIPS.
Since that time OpenSIPS has evolved and added a lot of new and very important features.
This book will be very helpful for those who wants to start with OpenSIPS and SIP protocol as well as for those who already has an experience with previous versions of OpenSIPS and want to learn new interesting feature of OpenSIPS version 2.
If you are new to SIP protocol this book is a great resource. Reading RFCs and specifications (there are a lot of RFCs) might be bouring while following this book helps to upderstand SIP protocol trying to implement SIP server with OpenSIPS. That does not mean that this book will make you an expert of SIP protocol but if you are looking where to start, this book is the right place.
Those who already familiar with OpenSIPS will find andvanced technics on how to implement SIP services, SIP NAT traversing and SIP security. You should definitly check chapter 14 that explains new OpenSIPS asynchrones mode that is a very interesting and powerful key feature of OpenSIPS v2. There are a lot of code examples and practical advices that can be very useful while implementing your own SIP infastructure with OpenSIPS.
Have a good reading.
0 of 0 people found the following review helpful.
Once you understand OpenSIPS, you will forever wonder how you ever managed without it.
By Ali Pey
As one of the reviewers of this book I had a chance to read it before it was published. With more than 20 years experience in telephony and having worked with many Proxy Server and SBCs, I definitely recommend this book. This book can be a great learning experience for both beginners and experts. It covers a wide range of VoIP and SIP signalling concepts and practices and it would be a must read for anyone interested in setting up some sort of Voice over IP and Telephony platform.
Over the years I found that people often struggle with network setup and NAT with SIP. This book can help you greatly with both. It also discusses various aspects of VoIP in a real world deployment that it is often overlooked.
I have known the authors of this book for many years and they both have a great knowledge, experience and understanding of real life challenges and requirements of a VoIP Platform.
If you are not sure what is a proxy server or if that you need one, please read this book, because once you understand and start using a proxy server such as OpenSIPS, you will forever wonder how you ever did without it. OpenSIPS is one of the best choices as a Proxy Server or a SBC with a great development team behind it.
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