COMMUNICATION TERMINAL, UPDATE SERVER, BROADCASTING STATION SERVER, COMMUNICATION TERMINAL CONTROL METHOD, COMMUNICATION TERMINAL CONTROL PROGRAM

PROBLEM TO BE SOLVED: To provide a method of quickly and properly updating the domain information of a server used for a service offered by a broadcasting station. SOLUTION: Management information required by the broadcasting station to update the domain information is distributed, while being overlapped with broadcast waves so that a domain table for corresponding a storage area previously provided in the communication terminal capable of receiving broadcasts to the domain information of a broadcasting station server is updated properly, by corresponding it to the service offered by the broadcasting station. Data required for the update is downloaded from the broadcasting station server via the communication from the terminal by corresponding to the management information, and the domain table in the terminal is updated. As a result, a broadcast enterprise can be familiarized quickly and intensively with a domain information update of the server required for the service, and the terminal can offer a means for properly updating the table, in a region to protect personal information besides the update can be cheap, since the broadcast enterprise does not update by itself. COPYRIGHT: (C)2007,JPO&INPIT