Audio-video multi-participant conference systems using PSTN and internet networks | Patent Publication Number 20130162754
US 20130162754 A1Patent NumberUS 09094525 B2
Application Number13674233
Filled DateNov 12, 2012
Priority DateMar 10, 2003
Publication DateJun 27, 2013
Original AssigneeVpn Multicast Technologies Llc
Meetrix Communications Inc.
Meetrix Communications Inc.
Current AssigneeMeetrix Ip Llc
Inventor/ApplicantsThomas Dundon
Thomas Dye
Thomas Dye
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