We have done with our prototype of WebRTC to RTSP delivery.
You can publish a WebRTC stream from your web-browser and play this stream via RTSP protocol from any device or software player supporting RTSP.
Example:
See our live demo.
Simply start a stream from your webcam and you will be able to get this stream from VLC using corresponding URL:
rtsp://demo.flashphoner.com/ViAqOHfQJ33fMRkEWSs12bvL
Where ViAqOHfQJ33fMRkEWSs12bvL is stream ID.