Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10735480 | Method, related apparatus, and system for recovering called service of terminal | He Li, Jinzhou Ye, Biao Zhang, Shufeng Shi, Boqiang Luo | 2020-08-04 |
| 10616812 | Voice service handover method and device | Lifu Chen | 2020-04-07 |
| 10601643 | Troubleshooting method and apparatus using key performance indicator information | Wenge Zhang, Yong Chen, Qingming Liu, Taizhou Chen, Fuxiang Xiong | 2020-03-24 |