Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9344581 | VoIP client and call implementation method for VoIP client, and user terminal | Jianjun Zhu | 2016-05-17 |
| 9253820 | Method and system for implementing multimedia call | Jianjun Zhu | 2016-02-02 |