Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7496924 | Dispatching messages among registered software modules in telecommunications system including telephony internet server coupled between packet network and PBX | Robert Callaghan, Markku Korpi, Jeff Cripe, Mark Grosberg, Kristin Butcher +3 more | 2009-02-24 |
| 7230919 | Quality-of-service monitor for voice-over-Internet-protocol calls | Mark J. Flanagan, Kristin Butcher, David Richardson | 2007-06-12 |