Installing asterisk

              You can install Asterisk in different ways. I will show you how you can download the source code and compile Asterisk yourself.Most open source projects use a cvs (Concurrent Versions System) to keep track of their code, and you can always download the latest version from there.

Asterisk: Open source IP PBX

              Looking for more information on low-cost VoIP service? Here's what you need to know about Asterisk, a popular open source IP PBX provider. Deb Shinder outlines the features and benefits of this freely available program.
 

SolutionBase: Configure Asterisk to support a T1 PRI connection

by Brian Smith.

Setting up an Asterisk PBX server won't do you much good if you don't connect it to the outside world. In this article, B

VoIPowering Your Office With Asterisk: Moving to the Grownup Version

              Today marks a couple of changes in our excellent Asterisk series. Up until now we've focused on Asterisk@Home. Asterisk@Home is great implementation, and plenty tough and feature-ful enough for even the most demanding enterprise. It's great for getting up and running quickly and learning the ins and outs of VoIP—as well as integrating useful monitoring and management tools. However, the remainder of this series will cover the "real" Asterisk, because it is time to get under the hood and learn Asterisk's internals. It's important to understand Asterisk's configuration files, terminology, and protocols, because if you don't it will remain a mystery and things won't work right.
 

IAX2: Inter-Asterisk eXchange Version 2 

This document describes the Inter-Asterisk eXchange protocol, Version  2, (IAX2) an application-layer control and media protocol for creating, modifying, and terminating multimedia sessions over Internet Protocol (IP) networks.  IAX2 was developed by the open source community for the Asterisk PBX and is targeted primarily at Voice over Internet Protocol (VoIP) call control, but it can be used with streaming video or any other type of multimedia.