| 6959184 |
Method for determining the security status of transmissions in a telecommunications network |
Charles Calvin Byers, Steven Miller, William Brohmer Paulson, Carl Robert Posthuma |
2005-10-25 |
| 6907035 |
Master controller for a flexible switching system |
Charles Calvin Byers, Kevin Dombkowski, John Frederick Heck, Reinhard Metz |
2005-06-14 |
| 6741599 |
Telephone switch-integrated modem pool and broadband access concentrator providing improved local loop data network access |
James Patrick Dunn, Hsien-Chuen Yu |
2004-05-25 |
| 6694015 |
Universal line interface in telecommunications system |
Charles Calvin Byers, Carl Robert Posthuma |
2004-02-17 |
| 6415024 |
System and method for special call detection and billing treatment |
James Patrick Dunn, Don Howard Dvorak, Eugene J. Rosenthal, Ronald D. Slusky |
2002-07-02 |
| 6229846 |
Apparatus and method for implementing high speed modem communication support |
Carl Robert Posthuma |
2001-05-08 |
| 5905785 |
Detecting high usage telecommunications lines |
James Patrick Dunn, Don Howard Dvorak |
1999-05-18 |