Search Results

Search Results

Full Text:

Status :

Abstract & Title :

Claims :

Number :

Issue & Publication Date:

From
To

Filing Date:

From
To

Priority Date:

From
To

Country:

Loading Facets... loading....

Patent Owner :

Loading Facets... loading....

Tech Class/Sub Class :

Loading Facets... loading....
Results per page:
Select: All Paginated Results

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
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
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
5945990 US PBX DATA RETRIEVAL AND REPORTING SYSTEM AND METHOD Nov 19, 1996 Aug 31, 1999 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
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
6377573 US Method and apparatus for providing a minimum acceptable quality of service for a voice conversation over a data network Jun 15, 1998 Apr 23, 2002 In Force
6240070 US System and method for improving audio quality on a conferencing network Oct 9, 1998 May 29, 2001 In Force
7532614 US Methods and apparatus for facilitating remote communication with an IP network Sep 24, 2002 May 12, 2009 In Force
6810015 US Apparatus and method for optimizing the use of multiple gateway in ToL systems Oct 15, 1999 Oct 26, 2004 In Force
7130261 US Hierarchical dependability for open distributed environments May 31, 2000 Oct 31, 2006 In Force
7174535 US Build and install for software applications Mar 5, 2003 Feb 6, 2007 In Force
6735196 US System and method for partially emulating peripherals in hardware for improving delay tolerance in master-slave type communication systems May 2, 2000 May 11, 2004 In Force
7130403 US System and method for enhanced multimedia conference collaboration Dec 11, 2002 Oct 31, 2006 In Force

Showing 1 to 20 of 328 results

*Note: Documents with disabled checkboxes are ancillary ones, so these cannot be added to portfolio.