US Patent 11388490 Call classification through analysis of DTMF events
Patent 11388490 was granted and assigned to Pindrop on July, 2022 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
January 25, 2021
Date of Patent
July 12, 2022
Patent Applicant
Patent Application Number
17157848
Patent Citations Received
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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