Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7586903 | System and method for VoIP call transfer using instant message service in an IP multimedia subsystem | Kevin Song, Chou-Ling Ting | 2009-09-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7586903 | System and method for VoIP call transfer using instant message service in an IP multimedia subsystem | Kevin Song, Chou-Ling Ting | 2009-09-08 |