Voice conference call using PSTN and internet networks | Patent Publication Number 20130163480

US 20130163480 A1

Patent NumberUS 09253332 B2

Application Number13674227

Filled DateNov 12, 2012

Priority DateMar 10, 2003

Publication DateJun 27, 2013

Original AssigneeMeetrix Communications Inc.
Vpn Multicast Technologies Llc

Current AssigneeMeetrix Ip Llc

Inventor/ApplicantsThomas Dundon
Thomas Dye

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