H - Electricity – 04 – M
Patent
H - Electricity
04
M
344/13
H04M 3/42 (2006.01) H04Q 7/26 (2006.01)
Patent
CA 1308183
ABSTRACT OF THE DISCLOSURE A system configuration of wireless PBX (Private Branch Exchange) and communication method therefor with high user facility. In the system configuration of wireless PBX and communication method therefor, a specified telephone number is assigned to each portable radio telephone and also to each radio base station disposed at a predetermined area interval. Not only a person can issue a call by designating another subscriber to a portable radio telephone, but also the person can call an arbitrary subscriber to a portable radio telephone present near at an arbitrary radio base station.
595185
Hitachi Ltd.
Kirby Eades Gale Baker
LandOfFree
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