| 7233659 |
Message playback concurrent with speakerphone operation |
Paul Joseph Davis, Vasu Iyengar |
2007-06-19 |
| 7224794 |
Transmitting message playback concurrent with speakerphone operation |
Paul Joseph Davis, Vasu Iyengar |
2007-05-29 |
| 6745055 |
Digital cordless telephone with speakerphone in a remote handset |
Vasu Iyengar |
2004-06-01 |
| 6546241 |
Handset access of message in digital cordless telephone |
Vasu Iyengar, Richard M. Ubowski |
2003-04-08 |
| 6445936 |
Low power consumption quick charge for wireless device |
Joseph M. Cannon, Philip D. Mooney |
2002-09-03 |
| 6385176 |
Communication system based on echo canceler tap profile |
Vasu Iyengar |
2002-05-07 |
| 6366670 |
Call related information receiver unit |
Paul Joseph Davis, James A. Johanson, Vasu Iyengar, Glenn A. Ehrich |
2002-04-02 |
| 6124701 |
System and method for determining battery condition and telecommunications equipment incorporating the same |
Richard L. McDowell, Philip D. Mooney |
2000-09-26 |
| 5943407 |
Performance enhancement of tone detection and FSK detection using hybrid echo cancellation |
Paul Joseph Davis, Vasu Iyengar, James A. Johanson, Richard M. Ubowski |
1999-08-24 |