Providing real-time voice communication between devices connected to an internet protocol network and devices connected to a public switched telephone network | Patent Publication Number 20120113981
US 20120113981 A1Patent NumberUS 08724643 B2
Application Number13353129
Filled DateJan 18, 2012
Priority DateJan 7, 2000
Publication DateMay 10, 2012
Original AssigneeCentre One
Current AssigneeCentre One
Inventor/ApplicantsDonald S. Feuer
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