1. Go to the top right of your Navigation bar and click in the Phone icon.
2. Online Users will show first in your list.
3. Click in the "New group call".
4. Select the users you would like to include in the group call (max users = 12 ).
5. Click in the green phone icon on the right of the users you would like to call.
6. Click in the red button icon to finish the call.