Up coming article, How to call the world free with Asterisk PBX

I am putting together an article explaining how to use your Asterisk PBX (You have one don't you? Or I hope you are at least thinking og getting one!) with a popular VOIP, IP telephony free service to make calls to the world (right now only 60 countries! Hint!!) for free.
I hope to make this a good article and due to my English it is taking time!
Soon!

Tags: asterisk pbx, free voip, IP Telephony