WebEx audio doesn't work
My WebEx audio via laptop worked before upgrading to Catalina. I restarted my machine but still doesn't work. I can hear others' voice but they can't hear my voice...
Question marked as
You have to deliberately authorize the use of your computer's microphone, before it can get access from Webex or any other App.
System preferences > security & Privacy > Privacy | Microphone ...
... then allow each App independently