Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6961332 | Multiple appearance directory number support across packet- and circuit-switched networks | Carroll Louise Gray-Preston, Samuel H. Christie, IV, Junhui Ma | 2005-11-01 |
| 6907462 | Network gatekeeper prioritizing method and system | Samuel H. Christie, IV | 2005-06-14 |
| 6885658 | Method and apparatus for interworking between internet protocol (IP) telephony protocols | David P. Ress, Denise J. Ingram, Gregory R. Utas | 2005-04-26 |