Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9906652 | Shifting of communication session charges | Ester Gonzalez De Langarica, Jerker Mattias Zetterlund, Afshin Abtin | 2018-02-27 |
| 9232521 | Methods and apparatus for implementing private branch exchange access to an IP multimedia subsystem | Dusan Ignjatovic, Andreas Anulf, Kresimir Peharda | 2016-01-05 |
| 8843546 | Method and arrangement for enabling differentiated communication services | Fredrik Alriksson | 2014-09-23 |