MULTIMEDIA INTERNAL UNIT AND NETWORK SYSTEM EMPLOYING MULTIMEDIA INTERNAL UNIT

PROBLEM TO BE SOLVED: To provide a multimedia internal unit with a simple structure which can flexibly dealing with additional services in the future and a network system using the multimedia internal unit. SOLUTION: The multimedia internal unit 20 to which a radio system of high-speed and wideband is applied is provided with a code carrier assigning means 11 for assigning the predetermined diffusion codes and carriers of a public network, an extension communication network 15 independent of a public mobil communication network. An unused part of a provider identification assigning part of an UIM (user identity module) card is attached on a terminal used in the network 15 is provided with an identification code as multimedia internal unit connecting terminal to identify connection between the terminal and the unit 20. COPYRIGHT: (C)2005,JPO&NCIPI