Telephone with automatic switching between cellular and VoIP networks
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United States of America Patent
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Sep 1, 2015
Grant Date -
Sep 26, 2013
app pub date -
May 21, 2013
filing date -
Jan 6, 2004
priority date (Note) -
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Abstract
A mobile communication device includes, in part, a cellular communication module, a first antenna adapted to receive and transmit data between the mobile communication module and a cellular network, a Wireless Fidelity (Wi-Fi) communication module, a second antenna adapted to receive and transmit data between the Wi-Fi communication module and a VoIP network, a signal monitoring circuit, and a switching circuit adapted to switch an existing communication from the cellular communication module to the Wi-Fi communication module or vice versa.
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