User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36 Steps to reproduce: I send and receive video and audio from Safari (using any device, MAC or iOS) and from Android using Firefox. The camera is accessed by getUsermedia() and both devices are connected through a peer connection Actual results: Neither one of them can see the other's video and audios get mixed. It only happens with this combination, Chrome works fine with both of them and Firefox desktop too. Expected results: Both devices should be able to see and hear the other stream.