Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7761577 | Method and apparatus for detecting stuck calls in a communication session | — | 2010-07-20 |
| 7590692 | Conferencing architecture employing media servers and enhanced session initiation protocol | John Van Dyke | 2009-09-15 |
| 7499472 | Jitter buffer management | — | 2009-03-03 |
| 7499863 | System and method for constructing phrases for a media server | — | 2009-03-03 |
| 6888925 | Method for testing large-scale audio conference servers | Rongrong Wu | 2005-05-03 |
| 6779082 | Network-based disk redundancy storage system and method | Eric Burger, Walter Joseph O'Connor, Barry David Wessler | 2004-08-17 |
| 6477172 | Distributed telephony resource management method | Eric Burger | 2002-11-05 |
| 5521967 | Method for monitoring telephone call progress | Robert G. Novas | 1996-05-28 |
| 5325425 | Method for monitoring telephone call progress | Robert G. Novas | 1994-06-28 |