ITXC, Inc.
9Patents
0Active
9Granted
30Portfolio score
Filing activity: Mar 14, 1997 → Jul 20, 2001
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6310941A | Method and apparatus for facilitating tiered collaboration | Emerging Cross-Sectional Technologies | 173 | Expired |
| US6212192A | Method and apparatus for synchronizing information browsing among multiple systems | Electricity | 148 | Expired |
| US6304637A | Method and apparatus for establishing and facilitating a direct quality voice call to a telephone extension on behalf of a client computer | Emerging Cross-Sectional Technologies | 120 | Expired |
| US6404864B1 | Article comprising a distributed call monitoring, evaluation and routing system and method therefor | Electricity | 80 | Expired |
| US6298056A | Credit based telephony service facilitation | Electricity | 65 | Expired |
| US6661878B1 | Method and apparatus for establishing a voice call to a PSTN extension for a networked client computer | Emerging Cross-Sectional Technologies | 43 | Expired |
| US6628760B2 | Method and apparatus for selecting an internet/PSTN changeover server for a packet based phone call | Emerging Cross-Sectional Technologies | 35 | Expired |
| US6788674B1 | Method and apparatus for establishing a collect call originated through a packet based network | Electricity | 18 | Expired |
| US6771640B2 | Virtual calling card with arbitrary controls | Electricity | 17 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.