Voipbuster : Free* phone calls all around the world

VoipBuster is a voip program that allows high-quality voice communications to people all over the world. When you use the free VoipBuster software, you can call regular phones in various popular destinations for free or call at an incredible low rate to any other phone on the planet. You can also call all your online friends (peer-to-peer calls) as long as you like, for free.

NOTE : To use the FREE facility, you would need to have some credit topped up. Then you be given free days to call without using this credit.