Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8787353 | Method and system for directed call establishment to facilitate the provision of enhanced communications services | Philip Richards, David Bridge, Frank Tom, Lloyd Williams, Masilamany Raguparan +1 more | 2014-07-22 |
| 7328271 | Method of controlling telephone connections for internet protocol communications | Christopher James Nason, Craig Frisch | 2008-02-05 |
| 7289805 | Method and system for providing a temporary subscriber identity to a roaming mobile communications device | Frank Tom | 2007-10-30 |
| 6898278 | Signaling switch for use in information protocol telephony | Li Li, Edward Ndububa, Samuel Chen, Jianping Jiang, Jianli Wang +6 more | 2005-05-24 |
| 6603759 | Adaptive buffer management for voice over packet network | Andre Diorio | 2003-08-05 |