Asterisk · The Definitive Guide, 5th Edition

Design a complete Voice over IP (VoIP) or traditional PBX system with Asterisk, even if you have only basic telecommunications knowledge. This bestselling guide makes it easy, with a detailed roadmap that shows you how to install and configure this open source software, whether you’re upgrading your existing phone system or starting from scratch.

Ideal for Linux administrators, developers, and power users, this updated edition shows you how to write a basic dialplan step-by-step, and brings you up to speed on the features in Asterisk 11, the latest long-term support release from Digium. You’ll quickly gain working knowledge to build a simple yet inclusive system.

Integrate Asterisk with analog, VoIP, and digital telephony systems

Build an interactive dialplan, using best practices for more advanced features

Delve into voicemail options, such as storing messages in a database

Connect to external services including Google Talk, XMPP, and calendars

Incorporate Asterisk features and functions into a relational database to facilitate information sharing

Learn how to use Asterisk’s security, call routing, and faxing features

Monitor and control your system with the Asterisk Manager Interface (AMI)

Plan for expansion by learning tools for building distributed systems