Book Image

FreeSWITCH 1.2 - Second Edition

Book Image

FreeSWITCH 1.2 - Second Edition

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 skill."FreeSWITCH 1.2" comes to your rescue to help you set up a telephony system quickly and securely using FreeSWITCH. It is rich with practical examples and will give you all of the information and skills needed to implement your own PBX system.You will start with a detailed description of the FreeSWITCH system architecture. Thereafter you will receive step-by-step instructions on how to set up basic and advanced features for your telephony platform.The book begins by introducing the architecture and workings of FreeSWITCH before detailing how to plan a telephone system and then moves 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."FreeSWITCH 1.2" is an indispensable tool for novice and expert alike.
Table of Contents (24 chapters)
FreeSWITCH 1.2
Credits
About the Authors
About the Reviewers
www.PacktPub.com
Preface
Index

The mod_xml_curl basics


The mod_xml_curl module is a module that uses the well-known cURL library (curl.haxx.se) to pull XML configuration files from a web server. FreeSWITCH can parse these files on-the-fly and use them as it would use the static XML configuration files. Since you control the web server, you get the benefit of being able to change the XML that is delivered from one request to the next. This can be useful when configuring more than one FreeSWITCH server from the same web server. One big benefit of a setup like this is the ability to make configuration changes in a single place and have them affect an entire cluster of servers.

All of the mod_xml_curl examples in this chapter require a web server configured to run PHP scripts. The examples have been tested on Apache2 with mod_php since it can run under Linux/UNIX and Windows.

To make mod_xml_curl load on FreeSWITCH startup, follow these steps:

  1. Open conf/autoload_configs/modules.conf.xml in your favorite text editor and add the...