Patent ID: 7020466

Claim:
A mobile radiotelephone connecting apparatus, comprising: first communication means for performing first communication with a mobile radiotelephone set by low-power radio communication or optical communication; second communication means for performing second communication with a second mobile radiotelephone connecting apparatus through a network; relaying means for relaying the first communication by said first communication means and the second communication by said second communication means; an initial location table for storing a corresponding relationship between identifiers of mobile radiotelephone sets and mobile radiotelephone connecting apparatus including said mobile radiotelephone connecting apparatus in an initial state; a mobile radiotelephone connecting apparatus address table for storing network addresses of the individual mobile radiotelephone connecting apparatus; first search means for searching, when a telephone call is originated from a mobile radiotelephone set to another mobile radiotelephone set, for the identifier of a mobile radiotelephone connecting apparatus corresponding to the identifier of the second mobile radiotelephone set from within said initial location table; second search means for searching for a network address corresponding to the searched out identifier of the mobile radiotelephone connecting apparatus from within said mobile radiotelephone connecting apparatus address table; and transmission means for transmitting a line open request including the identifier of the mobile radiotelephone set having originated the telephone call to the mobile radiotelephone connecting apparatus of the searched out network address.