Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9729461 | Method and apparatus for transmitting VOIP frame | Tae Jun Kim, Sung Hoon Kim, Young-Jip Kim | 2017-08-08 |
| 9100224 | Call processing method and apparatus in VoIP system | — | 2015-08-04 |
| 7885187 | System and method for providing unified messaging system service using voice over internet protocol | — | 2011-02-08 |
| 7808928 | Testing user terminal status | Yong-Shin Kim | 2010-10-05 |
| 7535892 | Voice over internet protocol system having dynamic gain control function and method thereof | — | 2009-05-19 |