Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7936760 | Method, communications network arrangement, communications network server, terminal, and software means for selecting and changing operating modes for packet-switched voice connection | Mika Forssell, Arto Karppanen | 2011-05-03 |