Wireline interface for cellular telephone

Details Wireline interface for cellular telephone Wireline interface for cellular telephone

H - Electricity

04

Q

H04Q 7/32 (2006.01) H04M 1/00 (2006.01) H04Q 7/24 (2006.01)

Patent

CA 2153240

A wireline interface (20) permitting a cellular telephone transceiver (12) to originate and receive calls using both cellular and wireline services. The invention permits a subscriber unit to operate as a standard cellular telephone when it is disconnected from a land-based telephone line, and as both a full-featured telephone and a full-featured cellular telephone when it is connected to a wireline. A duplexed audio switch permits the audio signals provided to and from a cellular-type handset to be connected either to the cellular transceiver or to the wireline interface adapter, under control of the user.

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