Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6424700 | Network based distributed PBX with connection loss survival features | Michel Thibon, Sandrine Millet, Erlé De Pillot, Ian D. Sinclair, Cuthbert Cheung | 2002-07-23 |