Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7822013 | System and method to redirect calls in a telecommunications network | Thomas Brumm, Robert Kresnik, Patrick Kleiner, Norbert Lobig, Irena Romanski +1 more | 2010-10-26 |
| 7221683 | Telecommunications system having a packet-switching communications network and method for operating such a telecommunications system | Thomas Brumm, Norbert Loebig, Walter Zinkl, Patrick Kleiner, Robert Kresnik +1 more | 2007-05-22 |
| 7058045 | Method and network element for processing signaling data and for controlling connections of subscribers of a packet-switching communications network | Thomas Brumm, Norbert Loebig, Walter Zinkl, Patrick Kleiner, Robert Kresnik +1 more | 2006-06-06 |
| 6560464 | Telephone switching system and method | Helmut Rau, Franz Egger, Bernd Schneider | 2003-05-06 |