Authorized cellular voice messaging and/or analog or digital data communication access and verification control system
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United States of America Patent
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Jun 16, 1998
Grant Date -
N/A
app pub date -
Dec 22, 1995
filing date -
Dec 22, 1995
priority date (Note) -
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Abstract
This invention relates to cellular voice messaging and/or analog or digital data messaging systems that utilize encryption and employ encrypted seed number signals to make it more difficult to make unauthorized use of cellular voice messaging and/or analog or digital data messaging systems.
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