iCall brings seamless VoIP to iPhone users

andrewmin writes: "iCall, a company well known for offering free VoIP calling for Windows users, has just announced the first iPhone app that offers free phone calls over WiFi. It's also one of the first legal (in other words, non-jailbroken) VoIP apps. I don't have an iPhone, but if I did, you can be assured that I'd be on this in a second."