Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9118746 | Method for dialing from internet extension to conventional extension | Shaw Hwa Hwang, Shun-Chieh Chang, Kuan-Lin Chen, Chi Jung HUANG, Li Te SHEN +1 more | 2015-08-25 |
| 8676933 | NAT traversal method in session initial protocol | Shaw Hwa Hwang, Kuan-Lin Chen, Shun-Chieh Chang, Chi Jung HUANG, Li Te SHEN | 2014-03-18 |
| 8488595 | System for dialing from internet extension to conventional extension | Shaw Hwa Hwang, Shun-Chieh Chang, Kuan-Lin Chen, Chi Jung HUANG, Li Te SHEN +1 more | 2013-07-16 |
| 8279855 | Method for dialing between internet extensions | Shaw Hwa Hwang, Yu-Che Wang, Shun-Chieh Chang, Kuan-Lin Chen, Chi Jung HUANG +1 more | 2012-10-02 |