| 5850434 |
Telecommunications network |
— |
1998-12-15 |
| 5848053 |
Telecommunications network for serving users from multiple switches |
— |
1998-12-08 |
| 5828746 |
Telecommunications network |
— |
1998-10-27 |
| 5815563 |
Telecommunication system with remote call pick-up capabilities |
— |
1998-09-29 |
| 5784449 |
Telecommunications network for serving users from two switches |
— |
1998-07-21 |
| 5751800 |
Screening of incoming telephone calls prior to call completion to the destination party |
— |
1998-05-12 |
| 5699419 |
Analog multibutton telephone keysets |
— |
1997-12-16 |
| 5644632 |
Distributed key telephone station network |
— |
1997-07-01 |
| 5608790 |
Trunk utilization in a telecommunications network |
— |
1997-03-04 |
| 5590129 |
Single stage telecommunications switch with partitioned processors |
— |
1996-12-31 |
| 5583929 |
Customer oriented telecommunications network |
— |
1996-12-10 |
| 5544235 |
Identification of called directory number at multiple directory number per line premises prior to ringing signal reception |
— |
1996-08-06 |
| 5371781 |
System and method for identifying the incoming directory number when multiple directory numbers are assigned to one wireless device |
— |
1994-12-06 |
| 5226042 |
Method for establishing wideband communications through a time division switching system |
Robert C. Lee |
1993-07-06 |
| 5119366 |
Call processing method for distributed switching |
Gustavus H. Zimmerman, III |
1992-06-02 |
| 5115425 |
Switching system reliability |
— |
1992-05-19 |
| 5105420 |
Method and apparatus for reconfiguring interconnections between switching system functional units |
Gustavus H. Zimmerman, III |
1992-04-14 |
| 4979164 |
Switching system reliability |
— |
1990-12-18 |
| 4943999 |
Switching system reliability |
— |
1990-07-24 |
| 4866708 |
Communication channel ownership arrangement |
John P. Sassano |
1989-09-12 |
| 4805166 |
Switch path reservation arrangement |
John P. Sassano |
1989-02-14 |
| 4583218 |
Control communication in a switching system having clustered remote switching modules |
James Kennedy, Douglas S. Sand, Lawrence J. Trimnell, Meyer J. Zola |
1986-04-15 |
| 4566094 |
Channel selection in a switching system having clustered remote switching modules |
James Kennedy, Douglas S. Sand, Lawrence J. Trimnell, Meyer J. Zola |
1986-01-21 |