Patent ID: 6904277

Claim:
A telephone system comprising: wireless telephones, a plurality of wireless-LAN base stations connected to the wireless telephones via a wireless LAN, and a main device that is connected to the plurality of wireless-LAN base stations and that performs call control of the wireless telephones, and wherein the wireless telephone comprises; storing means for storing a predetermined user name and input means for inputting a user name in units of an operation of login when performing an operation of login into the main device; and means for performing login notification of an IP address, a MAC address, either one of a user name stored in the storing means and a user name input from the input means, and an SSID of wireless-LAN base station connected to the wireless telephone, and wherein the main device comprises; a login table for storing login information notified by the wireless telephone in units of a user name; a user information table for storing an extension number and a nickname of a user that are preregistered in units a user name; and means that performs a comparison of information in the user information table and notifies the wireless telephone of the extension number and the nickname when a user name in the user information table matches a user name sent in the login notification, and that stores the login information notified by the wireless telephone.