Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6791975 | Call signature in a packet-based network | Christoph A. Aktas, Bernard Guillot | 2004-09-14 |
| 6785223 | System and method for restarting of signaling entities in H.323-based realtime communication networks | Markku Korpi, Mark Clark | 2004-08-31 |
| 6738390 | SIP-H.323 gateway implementation to integrate SIP agents into the H.323 system | Xinzhong Xu, Mark Skrzynski | 2004-05-18 |