from the quiet-sunday-project dept.
Kerbo writes "Kerry Garrison has written up a complete guide to building your own PBX with Asterisk@Home to create your own working PBX system. In the article, he shows how you can build a complete, working system for under $20 (assuming you have some old hardware laying around the house)."
Today's scientific question is: What in the world is electricity?
And where does it go after it leaves the toaster?
-- Dave Barry, "What is Electricity?"