Importance

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Abstract

A method for routing a call to a cordless/cellular telephone accessible over the landline network via a home cordless base station according to a LL#, and acessible over a cellular network according to a mobile identification number (MIN). Upon receiving a call to a cordless/cellular user's land-line telephone number (LL#) or to the corresponding MIN, the landline network ascertains whether the cordless/cellular telephone is within communication range of its home cordless base station. The telephone call is then routed to the home cordless base station only if the CCT is within communication range of the cordless base station. If the CCT is not within range of the home cordless base station, the call is forwarded by the land-line telephone network to the cellular network with the MIN in order to complete a cellular call to the CCT. In an alternative embodiment, the landline telephone network, upon receiving a call to the CCT's LL# or MIN, interfaces with the cellular network provider to ascertain whether the cordless/cellular telephone is active in the cellular mode. If the cellular mode is active, the telephone network forwards the call using the MIN to the cellular network for completion of a cellular call to the CCT. Otherwise, if the cellular mode is not active, the telephone network completes the call to the home cordless base station.

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First Claim