So http live streaming let you send live video to iOS devices but how do iOS devices send live audio/video back to server ? Can they use http live stream as well ? For example for video conference app like webex or facetime , how do iOS devices send audio/video back to server ?
Of course there are iOS API to let you make phone-call app, but I would like what happens behind the scene, especially can HLS be used to send streaming back to server ?
Thanks!