Availability
Current availability is displayed at the top bar together with the associated color (green, red or yellow). The availability can be changed by clicking on it and then accessing the availability view:
Your current availability status can be selected here. Typical options are Available, Do Not Disturb, Off work etc. Exact list of availabilities varies and is customized per organization.
Below the availabilities, you can select if you receive pool calls. See more at Pools
You can also create upcoming availabilities. See more at Upcoming availabilities
Display number
The phone number displayed for your outgoing calls can be selected before making a call. Receiver of the call will see the call coming from the selected number. Your current display number is shown at the top bar and it can be changed by clicking on it:
A view with all selectable display numbers is opened and any number can be selected:
Your outbound calls now display the selected number until a new number is selected.