Inventor
GAUBITCH NICK
US4 patents
Patents
4 patentsUS10257591B2Apr 9, 2019
Call classification through analysis of DTMF events
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Call classification through analysis of DTMF events
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US12015731B2Jun 18, 2024
Call classification through analysis of DTMF events
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US11388490B2Jul 12, 2022
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