Elteto.net

http://www.nerdvittles.com

These guys definitely know and love "The Art of PBX". If you have any interest in setting up your own PBX in your home or your business, this site is the best starting resource. Asterisk is a free software PBX that can run on various platforms and operating systems, and it is expandable with numerous useful modules. Asterisk is the core of many commercially available and community-developed telephony systems. Of course, you may first wonder why you would need a PBX in your house, but when you start reading about what you can do with such a system, you may be encouraged to try Asterisk first on a virtual machine, or install a full system on a dedicated, low-cost PC. Then start experimenting with free U.S. and Canada calls through GoogleVoice, weather reports, dialing local phone numbers through the landline from distant countries, etc…