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US Patent 6889321 Protected IP telephony calls using encryption
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Is a
Patent
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Date Filed
December 30, 1999
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Date of Patent
May 3, 2005
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Patent Application Number
09475661
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Patent Citations Received
US Patent 11804955 Method and system for modulated waveform encryption
US Patent 11876637 System and method for providing network support services and premises gateway support infrastructure
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US Patent 11943351 Multi-services application gateway and system employing the same
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US Patent 11956852 Physical location management for voice over packet communication
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Patent Inventor Names
Jesse Eugene Russell
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Fen-Chung Kung
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Hopeton Walker
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Spencer Wang
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Patent Jurisdiction
United States Patent and Trademark Office
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Patent Number
6889321
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Patent Primary Examiner
Justin T. Darrow
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