"In order to avoid paying high connection fees to traffic-pumping carriers, Google Voice has blocked calls to some of these carriers." - http://en.wikipedia.org

"In order to avoid paying high connection fees to traffic-pumping carriers, Google Voice has blocked calls to some of these carriers." - http://en.wikipedia.org/wiki/Traffic_pumping http://en.wikipedia.org/wiki/Traffic_pumping Looks like you are traffic pumping after all.