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Virtual telephone extension
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Patent number 9,055,423
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Issue date Jun 9, 2015
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8x8, Inc.
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Jean Vincent
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Virtual telephone extension
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Patent number 7,684,554
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Issue date Mar 23, 2010
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8×8, Inc.
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Jean Vincent
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Virtual telephone extension
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Patent number 7,218,721
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Issue date May 15, 2007
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8×8, Inc.
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Jean Vincent
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H04 - ELECTRIC COMMUNICATION TECHNIQUE