H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 7/26 (2006.01) H04M 1/00 (2006.01) H04Q 7/26 (2006.01)
Patent
CA 2063315
ABSTRACT OF THE DISCLOSURE A communication system includes a portable telephone system including at least a radio base station, at least a first portable station which communicates with the radio base station, a switching system which is coupled to each radio base station, and a line control unit which is coupled to the switching system to control an operation of the switching system, a cordless telephone including at least a parent station and at least a second portable station which communicates with the parent station, and a public switched telephone network which couples the switching system of the portable telephone system to the parent station of the cordless telephone. The parent station uses with respect to the second portable station a common air interface (CAI) which is identical to a predetermined common air interface (CAI) employed by each radio base station of the portable telephone system, so that the parent station is usable as a radio base station and the first portable station is compatible with the parent station.
Asahara Masaru
Oguchi Takuro
Sasaki Shunroku
Asahara Masaru
Fetherstonhaugh & Co.
Fujitsu Limited
Oguchi Takuro
Sasaki Shunroku
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