Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9591471 | Non-call service processing method, apparatus and system in circuit switch fallback system | Jingxiang Liu, Xiaofei Cao | 2017-03-07 |
| 9408064 | Method and system for obtaining user equipment ability by user equipment, home subscriber data server and core network element | Zhendong Li | 2016-08-02 |
| 8948087 | Method and system for implementing domain selection during the terminated call | Ying Hu, Zhijun Li, Zhenhua Xie, Zhihai Wang | 2015-02-03 |
| 8935374 | Method, system, and device for realizing registration mechanism of IP multimedia subsystem | Zhenwu Hao, Baoguo Xie, Shilin You, Zhendong Li | 2015-01-13 |
| 8509781 | Method and system for realizing session handover | Zhendong Li, Zhenwu Hao, Congjie Mao | 2013-08-13 |