An apparatus for providing sender identification information of the communication event on a display is described. In an embodiment the apparatus receives a communication event, for example, a call or a message. The mobile apparatus is caused to output a temporary indication of the communication event and the sender identification information relating to the communication event is not shown on the display. When a user of the mobile apparatus is detected with at least one sensor, the display is arranged to display the sender identification information on the display replacing the temporary indication in response to detecting the user with the at least one sensor.