I had a chance to see RingFree in action at MacWorld this week. The application is simple to use, easy to set up and it just works.
Since I have a PhoneGnome in the house I can now expand what that lets me do, and get greater use out of PhoneGnome’s capability to make low cost VoIP based International calling. Since I can add pretty much any provider including client Voxalot as well as using my SIP credentials from another client, Junction Networks.
Since the interface is web based there’s no hacking involved from what I can tell. This is something Apple and AT&T can’t complain about. It drives the use of in plan minutes, and uses the VoIP provider to handle the long distance. For AT&T iPhone users this is really meaningful for International calling, plus for masking your mobile number.