Originally Posted By: Redrum
Darn, I was hopeing she could make calls from say the Wi-Fi at McDonald's or some other Wi-Fi place.

Yeah. Google Voice currently works via special service numbers that you call and get calls from. They're working on a VoIP system though as they integrated it into the Gmail website and also purchased a VoIP software company called Gizmo5. No idea when or if they'll release it however.