Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10506540 | Reliability of VoLTE/ViLTE calls | Jeffrey William Wirtanen, Yi Hai Zhang, Shahid Chaudry, Claude Jean-Frederic Arzelier | 2019-12-10 |
| 10362512 | Method and apparatus for setup of a circuit switched call during circuit switched fallback | Jeffrey William Wirtanen | 2019-07-23 |