Patent ID: 6324410
Filing Date: 2001-11-27
Classification: H04W

Abstract:
In a private branch exchange (PBX/PABX) comprising a plurality of analog telephone extensions for connecting a plurality of landline telephone extensions thereto in order to be serviced thereby, the improvement comprising:A cellular fixed wireless terminal operatively coupled to one of said plurality of analog telephone extensions, said cellular fixed wireless terminal providing central-office functions, such as ring voltage and dial tone for a landline, POTS-type telephone; andcellular interfacing means for coupling said cellular fixed wireless terminal to said one analog telephone extension;said cellular fixed wireless terminal comprising a cellular or cellular-like transceiver and cellular interface adapting means for coupling a landline-type telephone instrument to said cellular or cellular-like transceiver, and for providing central-office functions, such as ring voltage and dial tone, for the landline-type telephone instrument; whereby at least one of an incoming call and an outgoing call may be effected by said cellular fixed wireless terminal via the private branch exchange.