Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8036234 | Method for forwarding signalling data in an interworking unit and in a control unit and corresponding devices | Franz Kalleitner, Norbert Seitter, Andreas Trapp | 2011-10-11 |
| 7899086 | Method for signaling of a change from a first service to a second service during a call by modifying the utilized codec | — | 2011-03-01 |