Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8064912 | Handover method | Jussi Rajala, Janne Parantainen | 2011-11-22 |
| 7936760 | Method, communications network arrangement, communications network server, terminal, and software means for selecting and changing operating modes for packet-switched voice connection | Arto Karppanen, Kari Aaltonen | 2011-05-03 |