A bull horn icon will appear on the top right corner when there is a software notification. The notifications can be displayed by clicking on the bull horn icon. These notifications may include actions that are required by the user and/or IT administrator.
An envelope icon with a number will appear on the top right corner when there is an unread Teams voicemail. The number shown is the count of unread voicemail messages. Selecting the icon will redirect the user to the Teams client to view the unread voicemail messages.