Methods and apparatus for transmitting, receiving, and processing secure voice over internet protocol
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United States of America Patent
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Aug 7, 2001
Grant Date -
N/A
app pub date -
Apr 14, 1999
filing date -
Apr 14, 1999
priority date (Note) -
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Abstract
This disclosure describes systems and methods for processing voice data for secure transmission and secure receipt over a network, such as the Internet. The systems and methods include the processing of analog voice and digital information, including conversion of a voice signal into digital information (or of digital information into a voice signal) and transmission of digital information representing voice data over a network. The analog-to-digital conversion (and digital-to-analog conversion) includes coding and decoding digital information according to voice coding techniques and encrypting and decrypting digital information according to encryption techniques. The transmission of the digital information includes creation of a secure voice frame.
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