When an exchange detects that a wireless base station is connected to an extension interface, the exchange outputs a sync signal to a communication channel of the extension interface. Based on the sync signal received through the communication channel, the wireless base station outputs a radio signal so as to communicate with a wireless handset based on the sync signal.
申请公布号
EP1667472(A1)
申请公布日期
2006.06.07
申请号
EP20040819932
申请日期
2004.12.03
申请人
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
发明人
NAKAGAWA, KOJI;MATSUFUJI, K.;FUJIOKA, M.;TANABE, KOJI.;MATSUMOTO, N.