Originally Posted by
joshwex90
When calling over WiFi, cheapest way is actually Google. When logged into Gmail, all you have to do is "call phone" and set your location to USA, and all calls to the US are free I don't know why that's possible, as it should automatically check your location based on IP, but it doesn't.
I always call the US from Israel for free via Google.
US landline are also free via Skype I believe, certainly for some customers.
There are many voip providers though, should have said VoIP not skype, but that frequently seems to result in people not understanding what you are talking about.