if you are from Shanghai, it is possilbe for your family to dial a local phone number, then dial a north-american number (this part is voip), after you recieve this call. I know most of the tech skills and can set this things in 1 week or 2. if your are interested with this and like to enjoy this service for almost free, call me 514-787-2028 (10:00 - 18:00). just for fun!