Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6907462 | Network gatekeeper prioritizing method and system | Xuewen Li | 2005-06-14 |
| 6888803 | System, method, and computer program product for connectivity of wireless base station to PSTN via an IP data network | William D. Gentry, David P. Ress, R. Emery Hanzel, Kevin H. Klinge, Richard M. Coyle | 2005-05-03 |
| 6799210 | Dynamic association of endpoints to media gateway controllers | William D. Gentry, Jason G. Emery | 2004-09-28 |
| 6754180 | System, method, and computer program product for support of bearer path services in a distributed control network | — | 2004-06-22 |
| 6657992 | System and method for providing service control to a single telephone end terminal from multiple service providers | — | 2003-12-02 |
| 6658095 | Customized presence information delivery | John H. Yoakum, Steve J. McKinnon | 2003-12-02 |
| 6636508 | Network resource conservation system | Xuewen Li | 2003-10-21 |
| 6591301 | Methods and systems for controlling network gatekeeper message processing | Xuewen Li | 2003-07-08 |
| 6549621 | Method and system for integrating a computer and a telephone | Patrick J. Dagert | 2003-04-15 |
| 6445695 | System and method for supporting communications services on behalf of a communications device which cannot provide those services itself | — | 2002-09-03 |
| 6430176 | Multimedia channel management through PSTN signaling | — | 2002-08-06 |
| 6324265 | Originator disposition options for communications session termination | Greg R. Utas, Steve J. McKinnon, David P. Ress | 2001-11-27 |
| 6269100 | Channel transfer with retrieve | Patrick J. Dagert | 2001-07-31 |