Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8599831 | Method for establishing a session between a caller and a callee | Qingchun Shen, Lei Yuan, Wenge Zhang, Wanjun Shang, Xiaodong Chen +1 more | 2013-12-03 |
| 8311201 | Method and system for controlling a conference | — | 2012-11-13 |
| 7711099 | Method and network structure for moving a call leg | Hao Liu, Shaojie Mei, Yan Li, Yong Zhu | 2010-05-04 |