Yes, you can block selected tray notifications and automatically reject invitations when Occupied status is selected.
In order to have it while Occupied status is selected, follow these steps:
- From the Main menu choose Options.
- In the Options window Customization tab in the left pane click the Notifications option.
- In the right pane in the Show notifications when I receive a: area uncheck the boxes for the notifications you want to block and click OK.