This morning, TUAW reader Matt dropped a note in our inbox saying that Fring has delivered VoIP on the iPhone. Sure enough, their blog claims integration with Skype and more. So does Fring deliver the WiFi VoIP solution for iPhone we've all been hoping for? This morning, I give it a try -- live! Here's our TUAW Labs liveblog. Put on your white coats and get ready to give the software a spin.