How do I turn off notifications for incoming calls in Webex?
Click on your profile photo and select Settings (Windows) or Preferences (Mac).
Select Notifications and then under Direct Calls, select one of the following:
Don’t mute notifications
Always mute notifications
Only mute notifications when I’m in a meeting or on a call
https://help.webex.com/en-us/8la4z9/Webex-Turn-Off-Notifications-for-Incoming-Calls#id_79067