For free pc to phone calls try tuitalk.com. It's a beta service that's really pretty good, and since it never requests credit info you can rest assured its entirely free. Just download the soft-phone and fill out the extended profile and you'll receive a daily 10min time allowance to make calls from anywhere in the world to phones in over 35 international destinations, including all cellphones across North America. Its a legitimate service that anyone interested in making free domestic and international phone calls should consider. Heres a full list of countries you can call to and within from their site http://forums.xisto.com/no_longer_exists/ Hope that helps