Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6834106 | Call control system and method | — | 2004-12-21 |
| 6819665 | Private branch exchange implemented using H.323 gatekeeper | Harold Sit, Sonya Fullarton, Eliana Peres | 2004-11-16 |
| 6816589 | Dynamic communications groups | — | 2004-11-09 |
| 6801609 | Telephone system with programmable line appearances | Sonya Fullarton | 2004-10-05 |