Publisher: O'Reilly, 2005, 382 pages
Discover the open source application that has traditional telephony providers running scared! Asterisk: The Future of Telephony shows you how to put Asterisk
If you've worked with telephony in the past, you're familiar with the problem: expensive and inflexible systems that are tuned to the vendor's needs, not yours. Asterisk isn't just a candle in the darkness; it's a whole fireworks show.
Asterisk allows you to implement flexible dialplans that support just about any telephony application you want; you can configure it to use traditional analog phones and trunks, in addition to VoIP phones from any vendor and VoIP services from any standards-compliant VoIP service provider. Asterisk supports just about every important network protocol used in the telephony world (and a few of its own, too).
Because it is so powerful, configuring Asterisk can seem tricky and difficult. This book will walk you through the process of configuring your first Asterisk system. Along the way, you'll learn how to:
Asterisk is revolutionizing the telecom industry, due in large part to the way it gets along with other network applications. While other BPXs are fighting their inevitable absorption into the network, Asterisk embraces it. If you need to take control of your telephony systems - especially if you're considering a move to VoIP - it's time to embrace the future. Move to Asterisk, and see what the future of telecommunications looks like.
As an introduction to the world of PBXes and Asterisk in particular, it is interesting, but assumes a bit much PBX knowledge or understanding of terms.
On the other hand, it is one of few readable books on PBX handling, and the only book that exists on Asterisk!
I am a bit disappointed, but it could have been worse, so I assume it is at least OK.