As the Antenna-gate controversy raged and finally subsided, the team here was busy enhancing our App-ID technology to identify Apple’s new video calling feature – FaceTime. It is essentially the audio-video chat functionality of Apple’s iChat for desktops, but tied to the iPhone4 device. From our analysis of the network traffic of FaceTime, we discovered [...]

Real-time voice and video communication on the Internet is main stream today with several popular instant messengers (IMs) supporting VoIP calls. A big hurdle in the initial adoption of VoIP was the fact that most PCs or other devices sit behind firewalls and use private IP addresses. Multiple private addresses (IP address and port) in [...]