Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Patricia A. Landgren0
Lathan Lewis0
Andrew Silver0
Date of Patent
April 4, 2023
0Patent Application Number
166538970
Date Filed
October 15, 2019
0Patent Primary Examiner
A system, server, and method of DTMF detection in a VoIP network.
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