Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10129828 | ROHC-based link estimation and power saving in VoLTE | Li Su, Sreevalsan Vallath, Wanping Zhang | 2018-11-13 |
| 9949311 | Apparatus, system and method for VoLTE call continuity | Wanping Zhang, Li Su | 2018-04-17 |