JUST ONE CLICK TO CALL BACK * CALL BACK button too disconnect & call back last call immediately * CALL BACK button will appear on incoming call ONLY. When you run program you will see short pop-up message saying: "CALL BACK is running in background and waiting for incoming call". Then program hide. CALL BACK button will wait in background for incoming call. If call occurs then display CALL BACK button above any other application. * Drag CALL BACK button to desired location. You can move this button anywhere on the screen - in the centre or at the margin of the screen. Program will save your location.If you have any questions please feel free to ask. If you have any problems please contact us before writing an unfavourable review.