To start with VoipWise lets you make unlimited free international calls to their so called "free" destinations. But after a while, they limit both the number of free international calls one can make and the number of free days. According to the information on their web-site, once you charge your account with credit, you should be able to make unlimited number of international calls to free destinations within 90 so called "free days". When those 90 days over, they keep your remaining credit, and start charging normal rates for... read full review »