Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6452922 | Method and apparatus for fallback routing of voice over internet protocol call | — | 2002-09-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6452922 | Method and apparatus for fallback routing of voice over internet protocol call | — | 2002-09-17 |