Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8774178 | Call transfer with multiple application servers in session initiation protocol-based network | Isaac Jian Liu, Ivy Qingfang Meng, Alexander Aihao Yin | 2014-07-08 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8774178 | Call transfer with multiple application servers in session initiation protocol-based network | Isaac Jian Liu, Ivy Qingfang Meng, Alexander Aihao Yin | 2014-07-08 |