| RE44577 |
Method and apparatus for providing a private communication system in a public switched telephone network |
Matthew S. Grob, Eric J. Lekven, Steven Rogers |
2013-11-05 |
| 7508778 |
System and method for adjusting quality of service in a communication system |
— |
2009-03-24 |
| 7126930 |
Method and apparatus for transmitting messages in a wireless communication system |
Rajesh Pankaj, Stein A. Lundby |
2006-10-24 |
| 7024359 |
Distributed voice recognition system using acoustic feature vector modification |
Chienchung Chang, Naren Malayath |
2006-04-04 |
| 6108536 |
System and method for displaying performance characteristics of a cell site modem |
Eric J. Katzfey, Friedrich G. Knauss, Bruce R. Meagher, Beth Kuehn Monge |
2000-08-22 |
| 5912882 |
Method and apparatus for providing a private communication system in a public switched telephone network |
Matthew S. Grob, Eric J. Lekven, Steven Rogers |
1999-06-15 |