Skype is one of the best choices because you can setup a phone number that anyone can call you at. [substeps] See this guide to get skype installed and configured on your computer.
[header] How to make free phone calls and listen on a tv [title] Download a voip (voice over ip) program on your computer. [step] In order to place calls through your tv, you will have to use a computer to do the calling. One of the most popular programs for this is skype, though there are also others available.