Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7333480 | Localization of call routing for TDM sets in an IP network | Gwen Clarke, Peter Tarle, Percy Lau | 2008-02-19 |
| 6556565 | Internet protocol (IP) telecommunication | David P. Ward, John Marshall, Ian Astle | 2003-04-29 |
| 6424700 | Network based distributed PBX with connection loss survival features | Michel Thibon, Sandrine Millet, Erlé De Pillot, Ian D. Sinclair, Aline Gateau | 2002-07-23 |