Could be reproduced with https://webrtc.github.io/samples/src/content/getusermedia/audio/ Pick built-in microphone input while having USB headset plugged in (for output only) Unplug headset during the call No outgoing audio -> audio track is ended by OS
<rdar://problem/85768002>
I was able to reproduce audio capture stopping (or rendering?) but I did not see the audio track getting ended locally.