H - Electricity – 04 – M
Patent
H - Electricity
04
M
325/30
H04M 11/00 (2006.01) H04M 1/725 (2006.01)
Patent
CA 1264357
ABSTRACT OF THE DISCLOSURE A method and apparatus for controlling a radio telephone system of the type wherein a connection between a wired telephone channel and a plurality of radio telephone handsets is controlled by a single base station connected to the wired telephone channel, a ring signal through the wired telephone channel is detected, a paging signal is sent to the radio telephone handsets from the base station when the ring signal is detected and a paging response signal is sent to the base station from the radio telephone handset in response to the paging signal. Further a channel designating signal is sent to the radio telephone handset in accordance with the paging response signal, a radio channel of the base station is switched to a radio channel corresponding to the channel designating signal, the radio channel of the radio telephone handset is switched to a radio channel corresponding to the channel designating signal, and a speech channel is established between a radio telephone handset responding to the paging signal and the wired telephone channel.
516932
Ito Koichi
Murata Yoshitoshi
Yoshizawa Kazuhiro
Yotsutani Akio
Corporation Nec
Kabushiki Kaisha Toshiba
Marks & Clerk
Nippon Telegraph And Telephone Corporation
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