Everyday lot of people are searching in the google for free international phone calls. If you are the one, you might have realized that most of the service provider gives you free first international call for few minutes only. Here, you will get free international call worth US$ 5. The only condition to win the free call service is that you should follow the instruction followed in this page.
To call US/ CAN from anywhere in the world you just need microphone and head set.
just follow the link
http://www.icall.com/free-phone-calls/
or directly call from here