Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7821940 | Transmission of maintenance information of an active packet connection through employment of packets communicated over the active packet connection | Douglas Botkin, Mark G. Bradac, Edward Clark, Steven Makowski, Alan H. Matten +2 more | 2010-10-26 |
| 7653068 | Method and apparatus for providing call admission control in packet networks | Douglas Botkin, Steven Makowski, Marc Blumberg, Mark G. Bradac, Edward Clark +6 more | 2010-01-26 |
| 7639664 | Dynamic management of trunk group members | Edward Clark, Peter Tomasino | 2009-12-29 |
| 7535850 | Method and apparatus for providing voice path assurance testing through a packet network | Steven Makowski, Douglas Botkin | 2009-05-19 |
| 7236484 | Methods and systems for providing wide-band voice service via a telephone switch system | Carl Robert Posthuma | 2007-06-26 |
| 6810120 | Method of determining answer supervision at a line appearance of a public switch telephone network | Michael J. Elder, Raymond L. Ruggerio, Jane Ann Thompson, Robin Jeffrey Thompson, Kimberly Sue Tomasko-Dean | 2004-10-26 |
| 6724780 | Voice frequency data enhancement method | Arupjyoti Bhuyan, Gerald R. Boyer, Ronald R. Brown, Eric A. Deichstetter, Jeffrey Louis Duffany +7 more | 2004-04-20 |
| 6154469 | Voice frequency data enhancement method | Gerald R. Boyer, Ronald R. Brown, Eric A. Deichstetter, Jeffrey Louis Duffany, Phillip C. Goelz +3 more | 2000-11-28 |