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Showing 1 to 20 of 328 results

PATENT /PUB No. Country Patent Title Patent Owner Filing Date Issue/Pub Date Status
6298449 US Apparatus and method for high reliability PC platform telecommunications systems Jul 29, 1998 Oct 2, 2001 In Force
7092880 US Apparatus and method for quantitative measurement of voice quality in packet network environments Sep 25, 2002 Aug 15, 2006 In Force
5945990 US PBX DATA RETRIEVAL AND REPORTING SYSTEM AND METHOD Nov 19, 1996 Aug 31, 1999 In Force
7907964 US Networked telephone system Dec 18, 2003 Mar 15, 2011 In Force
6724877 US User specified hold recall treatment Jun 11, 1999 Apr 20, 2004 In Force
7203298 US Call completion services for hybrid public/private communications networks Mar 10, 2003 Apr 10, 2007 In Force
6791975 US Call signature in a packet-based network Jun 29, 1999 Sep 14, 2004 In Force
7200113 US Apparatus and method for isochronous network delay compensation Jun 17, 2002 Apr 3, 2007 In Force
5818904 US Collaborative trunk testing method and system Oct 9, 1996 Oct 6, 1998 In Force
7945035 US Dynamic presence proxy for call sessions Feb 28, 2003 May 17, 2011 In Force
6687234 US Apparatus and method for optimal conference call renegotiation in telephony over LAN systems Oct 5, 1999 Feb 3, 2004 In Force
7907706 US Telephone network/computer network gateway Dec 18, 2003 Mar 15, 2011 In Force
6914519 US System and method for muting alarms during a conference Jun 5, 2003 Jul 5, 2005 In Force
6993124 US Control interface for linking a computer supported telephony application with a PBX switch utilizing CSTA protocols May 23, 2001 Jan 31, 2006 In Force
7917582 US Method and apparatus for autocorrelation of instant messages Jul 27, 2004 Mar 29, 2011 In Force
5764733 US Apparatus for providing enhanced addressing capability in voice messaging system networks Jun 21, 1996 Jun 9, 1998 In Force
6167123 US ONE NUMBER VOICE, FAX, DATA PBX CALL DISCRIMINATION Sep 20, 1996 Dec 26, 2000 In Force
7230919 US Quality-of-service monitor for voice-over-Internet-protocol calls Feb 7, 2001 Jun 12, 2007 In Force
6338042 US Method and apparatus for integrating competency measures in compensation decisions Jul 10, 1998 Jan 8, 2002 In Force
6240070 US System and method for improving audio quality on a conferencing network Oct 9, 1998 May 29, 2001 In Force

Showing 1 to 20 of 328 results

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