Book Image

FreeSWITCH 1.0.6

Book Image

FreeSWITCH 1.0.6

Overview of this book

FreeSWITCH is an open source telephony platform designed to facilitate the creation of voice and chat-driven products scaling from a soft-phone to a PBX and even up to an enterprise-class soft-switch. It is always exciting to design and build your own telephony system to suit your needs, but the task is time consuming and involves a lot of technical skills.This book comes to your rescue, helping you to set up a telephony system fast and easily using FreeSWITCH. It will take you from being a novice to creating a fully-functional telephony system of your own. It is rich with practical examples and will give you all of the information and skills needed to implement your own PBX system.The book begins by introducing the architecture and working of FreeSWITCH before detailing how to plan a telephone system and moving on to the installation, configuration, and management of a feature-packed PBX. You will learn about maintaining a user directory, XML dial plan and advanced dial plan concepts, call routing, and the extremely powerful Event Socket. You will finally learn about the online community and history of FreeSWITCH.
Table of Contents (18 chapters)
FreeSWITCH 1.0.6
Credits
About the Authors
About the Reviewer
Preface
The History Of FreeSWITCH
Index

Chapter 9. Controlling FreeSWITCH Externally

The FreeSWITCH Event System is one of the most exciting components of FreeSWITCH. You have already learned how FreeSWITCH operates when it utilizes various static configuration files and scripting languages. The event system allows for tremendous real-time dynamic behavior and control of FreeSWITCH. Utilizing the event system is when FreeSWITCH really comes alive.

The event system allows external software programs to act as listeners regarding activity happening on the system. This allows for real-time interaction with telephony operations on the telephony softswitch in conjunction with externally running software or hardware. Almost everything that happens within the FreeSWITCH system causes some sort of event message to be generated. These events can be watched by external entities. This is similar to the publish/subscribe (or "pub-sub") system used by common message queuing software solutions, although it is specifically tailored for FreeSWITCH...