Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6636528 | Method for operating a switching device upon utilization of different signaling protocols and apparatus therefor | Markku Korpi, Harald Mueller | 2003-10-21 |
| 6621814 | Method and apparatus for transmitting voice data in data packets with additional supplementary services | Markku Korpi, Harald Mueller | 2003-09-16 |