WebRTC, otherwise known as Web Real-Time Communications is an open-source project – promoted by Google, Mozilla and others – enables plugin-free Real Time Communications via Javascript API’s. It facilitates browser to browser applications for voice calling, video chat and file sharing. The supported codec for WebRTC is currently VP8. WebRTC uses a server called Web Conferencing Server that in conjunction with a STUN Server  it is required to provide the initial page and synchronize the connections between two WebRTC endpoints.