Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8879693 | System and method for voice-activated dialing over implicit and explicit NFA trunks | Roger T. Trueman, John Zeigler | 2014-11-04 |
| 8041012 | System and method for voice-activated dialing over implicit and explicit NFA trunks | Roger T. Trueman, John Zeigler | 2011-10-18 |
| 7640581 | Method and system for providing secure, centralized access to remote elements | James Albert Brenton, Matthew Hermstedt, Michael L. Martin | 2009-12-29 |