"Presence Wheel Interface" of the unified communication is an intelligent wheel-based interface that allows the user to change status and communicate ideally. the user can chose out of three modes. The phone automatically changes the screen by selected mode. Out of Office - Turn the wheel to the left when you leave. Call is directed to your device. Screensaver will be displayed on the screen. In Office - Turn the wheel to the center when you come back. Mode turns into online. You can check missed calls, messages and e-mails. UC Expert Mode -Turn the wheel to the right to connect the PC's UC client function. Device can be used for active communication.