As the saying say that early bird catches the worm, and so Fring does. Before the release of Nokia’s first Symbian^3, Nokia N8, the Fringster team managed to complete the development of their app which support video calling/chatting. And colloquially dubbed by Apple as innovative FaceTime, the history of video calling/chat seems doesn’t agree with it.
For those early birds using the Nokia N8 you can try the Fring by applying to their site. So here’s the video demo of Fring video calling on Nokia N8.