Abstract:
A user equipment that enables a user to transmit and receive an event using a calendar protocol in a calendar application is provided. The user equipment includes a calendar unit configured to store calendar data and display a calendar at a request of a user, an event managing unit configured to manage an event on the calendar, and an event transmitting/receiving unit configured to transmit an event of the user equipment to an external apparatus and receive an event from the external apparatus by using a certain calendar protocol.