Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7961597 | Method and device for automatically configuring a virtual switching system | Jurgen Tegeler | 2011-06-14 |
| 7961713 | Efficient connection of ISDN private branch exchanges to a packet-switched network | — | 2011-06-14 |
| 7940745 | Flexible and economical provision of service characteristics for voice transmission in a packet network | — | 2011-05-10 |
| 7885389 | Method for controlling announcements and interactive responses in an exchange | Mathias Franz, Alfred Jugel, Patrick Kleiner, Klaus Pulverer | 2011-02-08 |