Update your presence status to let others know your availability. Click on your profile picture and select your presence status from the 4 available options (Figure 1):
Figure 1 Set your presence
Your presence is dynamically updated based on your activity and will therefore switch to Away or Offline accordingly.
When you are in a Symphony Meeting, your presence will automatically update to In a meeting.
Note: This presence state cannot be set manually and is not in the list of options.