Communication system, system information download method,...

Details Communication system, system information download method,... Communication system, system information download method,...

H - Electricity

04

M

H04M 11/08 (2006.01) G06F 17/30 (2006.01) H04L 12/16 (2006.01) H04M 1/247 (2006.01) H04M 1/725 (2006.01) H04M 3/38 (2006.01) H04M 3/42 (2006.01) H04M 11/06 (2006.01)

Patent

CA 2415887

Upon providing the same functions as those of telephone terminals in a telephone system to a mobile communication terminal outside the telephone system, the mobile communication terminal transmits a download request of system information to a main apparatus in the telephone system. This download request contains an user TD and a telephone number of the mobile communication terminal. The main apparatus compares the user ID contained in the download request with those stored and managed in the user database so as to check user's authenticity. The main apparatus then accesses the mobile communication terminal via a public network on the basis of the telephone number, and transmits the requested system information, thus providing the same functions as those of the telephone terminals.

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