Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6621898 | METHOD OF COMMUNICATION BETWEEN AN AUTOMATIC BRANCH EXCHANGE AND A MESSAGING SYSTEM PROVIDING AT LEAST ONE VOICE SERVICE, AUTOMATIC BRANCH EXCHANGE AND MESSAGING SYSTEM IMPLEMENTING A METHOD OF THIS KIND | Alain Demoulian | 2003-09-16 |
| 6477245 | Method for the management of a telephone automatic branch exchange, external management device and corresponding automatic branch exchange | Christophe Tatin | 2002-11-05 |