Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8948160 | Controlling services in a circuit-switched network from a packet network | Dany Sylvain | 2015-02-03 |
| 8737594 | Emergency services for packet networks | — | 2014-05-27 |
| 8600006 | Voice continuity among user terminals | Dany Sylvain | 2013-12-03 |
| 8045568 | Enterprise mobility | Dany Sylvain | 2011-10-25 |
| 7899174 | Emergency services for packet networks | — | 2011-03-01 |
| 7590122 | Method and apparatus for session control | — | 2009-09-15 |
| 6822961 | Method and apparatus for reduction of call setup rate in an ATM network | Brian Vaughan, Vladimir Mikhailov, Mingxing S. Li | 2004-11-23 |
| 6381246 | Telephony system and method of signalling | Klaas Van Weringh | 2002-04-30 |
| 6282194 | Transit trunk subnetwork system | Julian Francis Cheesman, Michael Kahnert, Kim Holmes | 2001-08-28 |
| 6141342 | Apparatus and method for completing inter-switch calls using large trunk groups | Julian Francis Cheesman, Michael Kahnert | 2000-10-31 |