Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8027841 | Centralized server obtaining security intelligence knowledge by analyzing VoIP bit-stream | Samuel R. Shiffman | 2011-09-27 |
| 7756031 | Narrowband voice systems and methods | Samuel R. Shiffman | 2010-07-13 |
| 7561520 | Capacity limiting platform system and method | Samuel R. Shiffman | 2009-07-14 |
| 7539155 | Centralized feature platform in a packetized network | Husnain Bajwa, Samuel R. Shiffman | 2009-05-26 |
| 7420978 | Method and apparatus for billing voice calls over an internet protocol network according to bandwidth criteria | Samuel R. Shiffman | 2008-09-02 |