Patent ID: 8750481

Claim:
A telephone system comprising a plurality of phone devices and a plurality of information terminals, provided with respective displays, for mutually communicating via a communication network, comprising: position managing means for managing mutual position relations between the plurality of phone devices and the plurality of information terminals; and correlating means for mutually correlating at 1:1 between each of the plurality of phone devices and each of the plurality of information terminals on a basis of the managed position relations to enable a user of one of the plurality of information terminals to originate phone calls from the one information terminal using one of the plurality of phone devices specified according to the 1:1 correlation; radio tags respectively attached to the plurality of phone devices and the plurality of information terminals and respectively have unique identification information; radio monitors distributed and disposed to respectively acquire the identification information of the radio tags which are in close vicinities to the radio monitors and within fixed distances from the radio monitors; and a collecting section for collecting the identification information of the radio tags acquired by the radio monitors, and wherein the correlating means comprises: a specifying section for specifying phone devices to be closest phone candidates for each information terminal on a basis of the collected identification information; and a correlating section for correlating the phone devices specified as the closest phone candidates as linkage objects for each information terminal, wherein the correlating section displays the closest phone candidates on the display to the user of the one information terminal and correlates at 1:1 the one phone device specified by the user from the candidates displayed on the display with the one information terminal to enable the user to originate phone calls from the one information terminal using the one phone device.