Assignee
ITXC INC
US·9 granted patents·845 citations·filing 1997–2001
Top patents by PatentIndex Score
9 records- 0191US6298056B1Credit based telephony service facilitationITXC INC·Filed 2000·Granted Oct 2, 2001·72 cites·12 claims
- 0289US6212192B1Method and apparatus for synchronizing information browsing among multiple systemsITXC INC·Filed 1998·Granted Apr 3, 2001·230 cites·20 claims
- 0388US6310941B1Method and apparatus for facilitating tiered collaborationITXC INC·Filed 1998·Granted Oct 30, 2001·222 cites·35 claims
- 0487US6628760B2Method and apparatus for selecting an internet/PSTN changeover server for a packet based phone callITXC INC·Filed 2001·Granted Sep 30, 2003·39 cites·33 claims
- 0583US6788674B1Method and apparatus for establishing a collect call originated through a packet based networkITXC INC·Filed 2001·Granted Sep 7, 2004·38 cites·1 claims
- 0680US6304637B1Method and apparatus for establishing and facilitating a direct quality voice call to a telephone extension on behalf of a client computerITXC INC·Filed 1997·Granted Oct 16, 2001·131 cites·18 claims
- 0777US6771640B2Virtual calling card with arbitrary controlsITXC INC·Filed 2001·Granted Aug 3, 2004·26 cites·40 claims
- 0874US6661878B1Method and apparatus for establishing a voice call to a PSTN extension for a networked client computerITXC INC·Filed 1999·Granted Dec 9, 2003·62 cites·14 claims
- 0971US6778652B2Method and apparatus for establishing and facilitating a voice call connection from a client computer to a PSTN extensionITXC INC·Filed 2001·Granted Aug 17, 2004·25 cites·24 claims
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