Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9807650 | Method for handing over a terminal during a non steady VoIP call, network element, device and system | — | 2017-10-31 |
| 9794831 | Method for shortening signaling delay of ISC session transfer, network element and system | Xueqiang Yan, Zhiyuan Hu, Yonggen Wan | 2017-10-17 |
| 9391864 | Internet service control method, and relevant device and system | — | 2016-07-12 |
| 9374740 | Method for handing over a terminal during a non steady VoIP call, network element, device and system | — | 2016-06-21 |
| 9332000 | One-pass authentication mechanism and system for heterogeneous networks | Xueqiang Yan | 2016-05-03 |
| 9307390 | Group based mobility optimization method and device in machine-type communication | — | 2016-04-05 |
| 8957938 | Method and apparatus for handing over a video conversation from packet switch domain to circuit switch domain | — | 2015-02-17 |
| 8644258 | Method and apparatus for reducing break duration in handover of VoIP conversation | — | 2014-02-04 |
| 8446899 | Method and means for route selection of a session | Xueqiang Yan | 2013-05-21 |