Next, please navigate to Skype for Business > Preference > Audio/Video, and click on Clear Audio Preferences. We have troubleshoot the problem with different headset, network environment and different applications.įirstly, as your Skype for Business version is 16.14.163 and the latest version is 16.15.0.166 now, it’s highly recommend that you update the Skype for Business for Mac version to the latest version to check if it helps. According to all the information we collected, we know that this problem only occurs on a specific Mac with Skype for Business version 16.14.163.