Automatic handoff for wireless piconet multimode cell phone

Details Automatic handoff for wireless piconet multimode cell phone Automatic handoff for wireless piconet multimode cell phone

2005-09-06

2005-09-06

Bui, Bing Q. (Department: 2642)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C455S552100

Reexamination Certificate

active

06941156

ABSTRACT:
A technique and apparatus for transferring a communication link between two different modes of a multimode cell phone. For instance, an active telephone call using a cordless telephone RF communication link may be automatically switched (with user prompt if desired) to a cell phone call when desired (e.g., when the cordless telephone goes out of range of its base unit), and vice versa. CallerID Type 2 and Call Waiting may be used to switch the far end telephone from one line to the other with minimal (or even unnoticeable) disruption to the participants or content of the telephone connection.

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