Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6717959 | Methods and apparatus for automatically detecting call appearance values for each primary directory number on a basic rate interface | Bertram Geck | 2004-04-06 |
| 6707887 | System and method for automatic detection of loop start and ground start trunks | Bertram Geck | 2004-03-16 |