GOOG!
Google Voice on GMail
“Wouldn’t it be nice if you could call people directly on their phones?”
You can call any phone right from Gmail.
You can call any phone right from Gmail.
Google has added voice to GMail and it is similar to Skype. Google is promoting as: "Free calls to the U.S. and Canada in 2010. Insanely low rates for international calls." I tried a call and it was clear and easy to use.