Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5987102 | Method and apparatus for bridging a voice call including selective provision of information in non-audio to the caller | John D. Elliott, Mark D. Zuber, Michael F. Buondonno, Kenneth L. Keeler, Keith A. Pirkl +2 more | 1999-11-16 |
| 5889774 | Method and apparatus for selecting an internet/PSTN changeover server for a packet based phone call | John D. Elliott, Michael F. Buondonno, Kenneth L. Keeler, Keith A. Pirkl, Al J. Simon +2 more | 1999-03-30 |
| 5859979 | System for negotiating conferencing capabilities by selecting a subset of a non-unique set of conferencing capabilities to specify a unique set of conferencing capabilities | Peter Tung, Reed Sloss, Katherine Cox | 1999-01-12 |
| 5574934 | Preemptive priority-based transmission of signals using virtual channels | Benjamin Vrvilo, Peter Tung, Krishnan Rajamani | 1996-11-12 |
| 5506954 | PC-based conferencing system | Taymoor Arshi, Peter Tung, Ben Vrvilo, Rune A. Skarbo, Mike Gutmann | 1996-04-09 |