Telephonic communications – Subscriber line or transmission line interface – Network interface device
Reexamination Certificate
2004-05-12
2011-11-22
Jamal, Alexander (Department: 2614)
Telephonic communications
Subscriber line or transmission line interface
Network interface device
Reexamination Certificate
active
08064594
ABSTRACT:
There is provided a system for integrating at least one residential Plain Old Telephone System (POTS) phone to a cellular phone network. A Subscriber Line Interface Circuit (SLIC120) interfaces audio from the cellular phone network to the at least one residential POTS phone. A line switcher (122), connected to the SLIC, connects the at least one residential POTS phone to any one of a POTS line or a cellular line. An audio gateway (116), connected to the SLIC, wirelessly receives the audio from a cellular phone connected to the cellular phone network for subsequent transmission to the at least one residential phone and wirelessly transmits the audio from the POTS line to the cellular phone.
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International Search Report dated Oct. 18, 2004.
Majumdar Jayanta
Mohan Chandra
Hale Jeffrey D.
Jamal Alexander
Levy Robert B.
Shedd Robert D.
Thomson Licensing
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