Customized call lists for voip systems using high-level programming | Patent Number 10855839

US 10855839 B1
Application Number16580171
Publication Number-
Pendency1 year, 2 months, 9 days
Filled DateSep 24, 2019
Priority DateJun 23, 2017
Publication Date-
Expiration DateJun 23, 2037
Inventor/ApplicantsZhishen Liu
ExaminesCAI, WAYNE HUU
Art Unit2644
Technology Center2600
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