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SIN SAM K
US
2 patents
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US8064367B2
Nov 22, 2011
Multiple voicemail account support for a VoIP system
SIN SAM K
7 citations
80
US8730943B1
May 20, 2014
Session initiation protocol communication with endpoints managed by a call management server in a stimulus based network
SIN SAM K
5 citations
63