Patent ID: 7593719

Claim:
An apparatus for displaying originator information of a message in a mobile communication system, the apparatus comprising: a mobile station including a receiver and a display unit, the receiver being configured to receive a message and originator information associated with the message sent by an originator device, the originator information including an originator phone number and identification information indicating a type of the originator device sending the received message, the display unit operatively connected to the receiver and configured to display the message, the originator phone number and the identification information, wherein the type is selected from a list of predetermined types comprising a mobile telephone, a networked computer and a fixed line telephone, wherein the receiver is configured to receive authentication state information along with the received message, the display unit is configured to indicate whether the originator phone number is a specific number which has been registered with the mobile communication system, the display unit is configured to display the authentication state information in combination with the identification information, and the identification information is presented on the display unit in a certain color when the originator of the message is registered, and the identification information is presented on the display unit in different color when the originator of the message is not registered.