Management of VoIP device contact lists in a data communications services system | Patent Number 11523000
US 11523000 B1Filled DateJan 20, 2021
Priority DateFeb 14, 2014
Publication Date-
Expiration DateFeb 13, 2034
Inventor/ApplicantsRuiqiang Huang
Garth Judge
Zhishen Liu
Garth Judge
Zhishen Liu
ExaminesKO, SITHU
Art Unit2414
Technology Center2400
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