Asterisk is an open source software implementation of a telephone private branch exchange (PBX). Like any PBX, it allows a number of attached telephones to make calls to one another, and to connect to other telephone services including the PSTN.
The best Asterisk Book
Hacking VoIP: Protocols, Attacks, and Countermeasures
Amazon Price: $30.32 (as of 07/14/2009) 
Asterisk Links:
- VOIP Wiki - a reference guide to all things VOIP
- The VOIP Wiki covers everything related to VOIP, software, hardware, service providers, reviews, configurations, standards, tips & tricks and everything else related to voice over IP networks, IP telephony and Internet Telephony.
This is a great place to gather information and make contacts in the VOIP and asterisk communities. - Asterisk
- The home page of asterisk
- Asterisk @ home
- A really nice and easy to use Asterisk distribution. A great way to get started.
- astmasters.net: Macintosh Asterisk Community
- Astmasters.net, the home page of the Macintosh Asterisk Community.
Recent Asterisk Links
Here are some links from del.icio.us
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Fetching RSS feed... please stand byby natatwo
Harper reed is amazing. He is a pro yoyoer, a great software architect and pretty much an incredible person. He can be found in chicago and is current... (more)
