Gmail Phone Calls service is the part of the Google’s computer-to-computer voice and video chat service. You can find this service within your Gmail account, in the Chat section box, in the left. You just need to click the “Call Phone” part to launch this Gmail Phone Calls service. It seems Google want to make Gmail become center of the online communication with the entire integrated online communication application such as Email service itself, Gtalk, Google Buzz, and now — the Gmail Phone Calls. [...]