Issued Patents 2017
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9800404 | Configuration of liveness check using internet key exchange messages | Rikard Eriksson, Ralf Keller | 2017-10-24 |
| 9661680 | Methods and devices for efficient connection handling for avoiding a detached state | Dinand Roeland, Peter Hedman, Stefan Rommer | 2017-05-23 |
| 9654954 | Providing an IMS voice session via a packet switch network and an emergency voice session via a circuit switch network | Ralf Keller | 2017-05-16 |
| 9641479 | Interworking between messaging service domains | Adamu Haruna, Hans Rohnert, Brigitte Van Gerven | 2017-05-02 |