Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6885658 | Method and apparatus for interworking between internet protocol (IP) telephony protocols | David P. Ress, Xuewen Li, Denise J. Ingram | 2005-04-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6885658 | Method and apparatus for interworking between internet protocol (IP) telephony protocols | David P. Ress, Xuewen Li, Denise J. Ingram | 2005-04-26 |