A start-up company called Ooma has announced a new service that could provide free domestic calls through your existing home phone, for life. The program requires you to have a broadband internet connection, your own phone and preferable an active land line for you phone, but that’s not required as long as there are enough people that do.

Through a one-time purchase of a $399 “box” from Ooma you can connect it to your existing phone and make calls that are routed through the Ooma network. The system works …