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Building Telephony Systems with OpenSIPS - Second Edition
Get Free Ebook Building Telephony Systems with OpenSIPS - Second Edition
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Build high-speed and highly scalable telephony systems using OpenSIPS
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.
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.
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.
Product details
Paperback: 384 pages
Publisher: Packt Publishing - ebooks Account; 2 edition (January 30, 2016)
Language: English
ISBN-10: 1785280619
ISBN-13: 978-1785280610
Product Dimensions:
7.5 x 0.9 x 9.2 inches
Shipping Weight: 1.5 pounds (View shipping rates and policies)
Average Customer Review:
5.0 out of 5 stars
5 customer reviews
Amazon Best Sellers Rank:
#649,775 in Books (See Top 100 in Books)
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.
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.
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.
This book covered everything I was expecting with OpenSIPS, VoIP is just where the telephony systems have headed over the years so it was worth knowing something about them. What I enjoyed most about this book was setting up the endpoints and having a call, pretty neat! Also enjoyed how the author goes into billing as well!
This is an awesome book if you are into this sort of thing. It is well presented, the content is correct and presented in such a way it doesnt pu you to sleep. I very much look forward to its learning and guidance.
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