Open the media proxy, the media stream will go through the vos server.on the sdp, will bring vos server IP address as media information;
Close the media proxy, the media stream will not go through the vos server. On the sdp, will bring the other side of the media address on the different network environment to use vos media proxy, maybe can reach sound best;
And if you close the media proxy, it can saving the bandwidth of the vos server.
Media proxy on, as shown:
Media proxy off,as shown: