Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6804329 | Methods and apparatus for enabling a non-DID station of a PBX or MLTS to receive a PSAP call back | Francisco Olympio Marcon da Rocha, Robinson Osmar Lima, Enoch Ragin, Jr., Luiz Cesar Zaniolo | 2004-10-12 |
| 6717959 | Methods and apparatus for automatically detecting call appearance values for each primary directory number on a basic rate interface | Francisco Olympio Marcon da Rocha | 2004-04-06 |
| 6707887 | System and method for automatic detection of loop start and ground start trunks | Francisco Olympio Marcon da Rocha | 2004-03-16 |