APPARATUS AND METHOD FOR PROVIDING INFORMATION OF DATA SERVICE AT USER EQUIPMENT

PURPOSE: An apparatus and a method for providing information of data service at user equipment are provided to offer the guide information by determining the reasons of impossible to use based on the subscriber information. CONSTITUTION: A subscriber information requester(210) requests the caller identifier in the calling of data call of the subscriber terminal as the apparatus for managing the caller identifier. A subscriber information receiving unit(220) receives the caller identifier. A controller(230) offers the data service guide information corresponding to the received caller identifier as described above to the subscriber terminal. The caller identifier comprises the information for the cut off and data call originating call denial. A guide informative section(240) offers the data service guiding information corresponding to the caller identifier.