| 10607245 |
Recommending virtual reward offers and awarding virtual rewards |
Linda Tong, Stephen McCarthy, Ryan Johns, Hai-Van Pham, Amir Bashir Manji +4 more |
2020-03-31 |
| D815212 |
Chess board design |
— |
2018-04-10 |
| 7130793 |
System and method for minimizing overrun and underrun errors in packetized voice transmission |
Sharmistha Das |
2006-10-31 |
| 7106856 |
Method and apparatus for performing echo cancellation within a communication network |
SuJeanne Foster |
2006-09-12 |
| 6925166 |
Method and apparatus for generating automatic greetings in a call center |
— |
2005-08-02 |
| 6870807 |
Method and apparatus for suppressing music on hold |
Rickie E. Meis |
2005-03-22 |
| 6697456 |
Speech analysis based answer detection for IP based telephones |
Gary Becker |
2004-02-24 |
| 6470077 |
Apparatus and method for storage and accelerated playback of voice samples in a call center |
— |
2002-10-22 |
| 6424651 |
Arrangement for performing automatic build out in a communications system that supports multiple constant-bit-rate connections |
Norman W. Petty |
2002-07-23 |
| 5897613 |
Efficient transmission of voice silence intervals |
— |
1999-04-27 |
| 5781615 |
Fully distributed message storage facilities in a distributed switching system |
Bruce M. Bales |
1998-07-14 |
| 5659541 |
Reducing delay in packetized voice |
— |
1997-08-19 |
| 5136707 |
Reliable database administration arrangement |
Frederick P. Block |
1992-08-04 |
| 4959856 |
Automatic administration of a telecommunication system |
Raymond B. Bischoff |
1990-09-25 |
| 4653085 |
Telephone switching system adjunct call processing arrangement |
Leif Pederson |
1987-03-24 |