Get started with AGI development and use the dynamic features of Asterisk AGI to build your own VoIP-based telephony system. This book is intended for developers wishing to utilize Asterisk, system administrators wishing to gain better control over their Asterisk installation, and telephony service providers wishing to deploy Asterisk-based solutions to their infrastructure. You are expected to have some experience with Asterisk and a basic understanding of programming. No knowledge of Asterisk programming is required.
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Book Description
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From the Publisher
Who this book is written for?
This book is intended for developers wishing to utilize Asterisk, system administrators wishing to gain better control over their Asterisk installation, and telephony service providers wishing to deploy Asterisk-based solutions to their infrastructure. You are expected to have some experience with Asterisk and a basic understanding of programming. No knowledge of Asterisk programming is required.
What you will learn from this book?
- Create AGI applications with Asterisk easily using PHPAGI, a PHP class library
- Avoid going through the normal pitfalls of novice developers when developing Asterisk-based applications and services for the first time
- Develop AGI scripts and FastAGI servers using Asterisk-PERL modules
- Configure your AMI login information in the phpagi.conf file in order to utilize the AMI interface with PHPAGI
- Understand the Asterisk Manager Interface and its utilization in Asterisk applications
- Develop full web-based call-back platforms and highly interactive IVR applications using PHP and PHPAGI
- Learn proper development paradigms to easily scale your services and applications
- Get ideas for various Asterisk-based services and applications that you can create
About the Author
Nir Simionovich has been involved with the Open Source community in Israel since 1997. His involvement with the Open Source community started back in 1997, when he was a student in the Technion—Israel’s Technology Institute—in Haifa. Nir quickly became involved in organizing Open Source venues and events, promoting the usage of Linux and Open Source technologies in Israel. In 1998, Nir started working for an IT consulting company (artNET experts Ltd), where he began to introduce Linux-based solutions for enterprises and banks. By the year 2000, Nir had become a SAIR/GNU certified Linux trainer and administrator, slowly educating the future generations of Linux admins. In 2001, Nir moved to the cellular content market, working for a mobile content delivery company (m-Wise Inc.—OTC.BB: MWIS.OB). During his commission at m-Wise, Nir successfully migrated a company that was built purely on Windows 2000 and ColdFusion to open source technologies, such as Mandrake Linux (today Mandriva), Apache Tomcat, and Kannel (open source SMS/WAP gateway). Coming to 2006, Nir had co-founded Atelis (Atelis PLC—AIM: ATEL). Atelis is a Digium distributor and integrator. During the course of 2006, Nir developed an Asterisk-based international operator services platform for Bezeq International, which replaced a Nortel DMS-300 switch. This platform is currently in use by Bezeq International in Israel, serving over 4000 customer a day. In mid 2007, Nir left Atelis to become a freelance Asterisk promoter and consultant. Nir is currently providing Asterisk consulting and development services for various companies, ranging from early-stage start-up companies, through VoIP service providers and VoIP equipment vendors. In his spare time, Nir is the founder of the Israeli Asterisk users group, the website maintainer of the group, and an Asterisk developer, dealing mainly with the localization aspects of Asterisk to Israel. Coming to 2008, Nir's company (Greenfield Technologies Ltd) won the Digium Innovation award at AstriCon 2008, in the pioneer division—for its implementation of a phone-based prayer system, allowing people from around the world to pray at the western wall in Jerusalem.
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Most Helpful Customer Reviews
2 of 2 people found the following review helpful:
4.0 out of 5 stars
An introduction to the AGI and to the Asterisk PBX,
By Rick van Rein (Enschede, the Netherlands) - See all my reviews
This review is from: Asterisk Gateway Interface 1.4 and 1.6 Programming (Paperback)
This book explains how to program scripts that link into Asterisk, with an emphasis on PHP scripting. In general, these scripts are known as the Asterisk Gateway Interface or AGI. They can take care of arbitrary instantaneous tasks in tight collaboration with Asterisk. This makes it possible to expand upon Asterisk's existing set of call handling primitives. The book explains the workings of AGI in a fair amount of detail, and gives good guidance on best practices. It shows examples to get the reader started.
The book appears to have difficulty choosing between novice and experienced audiences; the AGI topic is a specific part of Asterisk, making it add depth of knowledge, but in spite of this the first 3 chapters or 84 pages are spent explaining introductory things about Asterisk, such as detailed step-by-step installation and IVR programming. As for the level of the book, it neither aims high nor low; the screenshots with somewhat trivial information and listings of information copied from documentation makes the book less dense than a skilled Unix-user would like it to be, but more accessible for those who are less seasoned on a commandline.
1 of 1 people found the following review helpful:
2.0 out of 5 stars
Not a lot of content...,
By
Amazon Verified Purchase(What's this?)
This review is from: Asterisk Gateway Interface 1.4 and 1.6 Programming (Paperback)
This book was short, lacked content and did not detail changes in 1.6 very much.
Not at all what I expected.
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Inside This Book
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Key Phrases - Statistically Improbable Phrases (SIPs):
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command response, operational code, agi script, dialplan execution, dialplan application, define syslog variables, dialplan context, automatic attendant, current stable release, calling channel, channel drivers, originate action, channel variable, cloud computing, source code packages, manager interface, dialed extension, kernel module Key Phrases - Capitalized Phrases (CAPs): (learn more)
Asterisk Manager, Using the Asterisk, Class Libraril, Lesser General Public License, Free Software Foundation, While Asterisk, Call Control, Interactive Voice Response, Asterisk Gateway Interface, Summary Congratulations, Network Server Browse Sample Pages:
Front Cover | Table of Contents | First Pages | Index | Back Cover | Surprise Me!
command response, operational code, agi script, dialplan execution, dialplan application, define syslog variables, dialplan context, automatic attendant, current stable release, calling channel, channel drivers, originate action, channel variable, cloud computing, source code packages, manager interface, dialed extension, kernel module Key Phrases - Capitalized Phrases (CAPs): (learn more)
Asterisk Manager, Using the Asterisk, Class Libraril, Lesser General Public License, Free Software Foundation, While Asterisk, Call Control, Interactive Voice Response, Asterisk Gateway Interface, Summary Congratulations, Network Server Browse Sample Pages:
Front Cover | Table of Contents | First Pages | Index | Back Cover | Surprise Me!
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