| 7149285 |
Dynamic, automated double-ended system and method for testing and qualifying metallic telecommunication loops |
Alan Blair Lowell, Clinton J. Wooton, Chong Tae Yi |
2006-12-12 |
| 6990077 |
User selectable overlap and enbloc dialing of ISDN line |
Paul H. Katz |
2006-01-24 |
| 6282265 |
Two-ended wireline pair identification system |
Alan Blair Lowell, Glen Holt Humphrey, Kenneth S. Gold |
2001-08-28 |
| 6256294 |
User selectable overlap and enbloc dialing of |
Paul H. Katz |
2001-07-03 |
| 6163594 |
Call yourself BERT testing of |
Paul H. Katz, Roy Lujan Soto |
2000-12-19 |
| 6005921 |
Telephone ringback test device and method |
David Keefe, Joseph E. Barron, Jeffrey W. Hearsey, Roy Lujan Soto |
1999-12-21 |
| 5982851 |
Call yourself BERT testing of |
Paul H. Katz, Roy Lujan Soto |
1999-11-09 |
| 5937034 |
Method for testing call waiting, caller ID functionality of telephone line |
James David COLEMAN |
1999-08-10 |
| 5857011 |
Multi-port caller ID-based telephone ringback test device |
Joseph Potts |
1999-01-05 |
| 5799060 |
Multi-port caller ID-based telephone ringback test device |
Joseph Potts |
1998-08-25 |
| 5615225 |
Remote measurement unit containing integrated line measurement and conditioning functionality for performing remotely commanded testing and conditioning of telephone line circuits |
Derek G. Foster, Edward K. W. Siu, Ben A. Pierce, Onofrio Schillaci, Alex Knight |
1997-03-25 |
| 5504801 |
User-controlled electronic modification of operating system firmware resident in remote measurement unit for testing and conditioning of subscriber line circuits |
Laura E. Moser, Edward K. W. Siu, Onofrio Schillaci |
1996-04-02 |
| 5490209 |
Autobaud rate detection mechanism |
Onofrio Schillaci |
1996-02-06 |
| 5452339 |
Local/remote modification of electronically alterable operating system firmware resident in redundant flash memory of remote unit for testing/conditioning subscriber line circuits |
Edward K. W. Siu, Onofrio Schillaci, Laura E. Moser |
1995-09-19 |
| 5289534 |
Door ajar signalling device |
James W. Lester, Randall M. Wagner, Randy A. Callaway |
1994-02-22 |
| 5115462 |
Remotely controlled apparatus for conditioning telephone line exclusive of metallic DC bypass pair |
Ben A. Pierce, Aaron Chan |
1992-05-19 |
