Availability is an integral part of the Katch experience. Katch uses sources such as: calendar integration, sleep mode and mobility data access to automatically set your status to available or busy within the application.
You can set your availability by going to 'Profile' and toggling either "available" or "busy" to manually set or override your current status.
When you are set to available, you are "Free" to take incoming calls. If you turn off your availability, you are considered "Busy" and you can connect with others the next time you become available.