187289 2018-07-03 05:28:29 -0700 Audio output is lost, audio input with big delays when switch back from other audio app to safari 2018-07-03 05:28:29 -0700 1 1 1 Unclassified WebKit WebRTC Safari 11 iPhone / iPad iOS 11 NEW P2 Major --- 1 jianping.jiang webkit-unassigned youennf oldest_to_newest 1438817 0 jianping.jiang 2018-07-03 05:28:29 -0700 I can do webrtc communication with both audio and video under IOS safari 11.x. But, After answering phone call or play audio in another APP and switch back to safari, The audio output is lost and the audio input has big delays. The video also worked.