Issued Patents 2017
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9813949 | Technique for terminating call set up in a CSFB situation | Ralf Keller, Fredrik Lindholm | 2017-11-07 |
| 9781762 | Technique for connection attempt handling in a circuit switched fallback situation | Ralf Keller, Joerg Christian Ewert | 2017-10-03 |
| 9706449 | Technique for transferring a session with changeable session state | Oliver Speks, Jan Holm, Chunbo Wang | 2017-07-11 |
| 9642113 | Paging procedure in a control node | Branko Djordjevic, Robert Schnell | 2017-05-02 |
| 9538574 | Technique for terminating call set up in a CSFB situation | Ralf Keller, Andreas Witzel | 2017-01-03 |