| 8521543 |
Method and apparatus for load-based billing in communication networks |
Cynthia Florkey, Ruth Gayde |
2013-08-27 |
| 8406383 |
Voice authentication for call control |
Cynthia Florkey, Ruth Gayde |
2013-03-26 |
| 8380191 |
Temporary data service in wireless networks |
Cynthia Florkey, Ruth Gayde, Patrick J. Walsh |
2013-02-19 |
| 8090368 |
Temporary data service in wireless networks |
Cynthia Florkey, Ruth Gayde, Patrick J. Walsh |
2012-01-03 |
| 8045973 |
Mobile device subject to a communication restriction responding to a priority call |
— |
2011-10-25 |
| 7636425 |
Voice authentication for call control |
Cynthia Florkey, Ruth Gayde |
2009-12-22 |
| 7565160 |
System and method of handling prioritized wireless calls for mobile devices operating in an analog or TDMA mode |
Bonnie P. Hitzeman, Rafael Quintero, Douglass H. Riley |
2009-07-21 |
| 7310518 |
Serving roaming mobiles with incorrectly programmed identifiers |
— |
2007-12-18 |
| 7236791 |
Radio channel allocation for national security and emergency preparedness calls |
Renling Lawrence Huang, Ismael Lopez, Rafael Quintero, Douglas Harvey Riley |
2007-06-26 |
| 7113787 |
Wireless priority service for intersystem call delivery |
Bonnie Marie Hitzeman, Rafael Quintero, Douglas Harvey Riley |
2006-09-26 |
| 6941142 |
Wireless service redirection signaling based on protocol revision |
Gabriela M. Abramovici, Yuen-Yin L. Koo, Semyon B. Mizikovsky |
2005-09-06 |
| 6782254 |
Handling of forward-to numbers across regional and political boundaries |
Weiqian Dai, Chee Keong Lee, Tony Nguyen |
2004-08-24 |
| 6587688 |
Providing telephone number data for international cellular roamer service |
Chee Keong Lee, Tony Nguyen, Charles C Teising, Jr. |
2003-07-01 |
| 6389298 |
Signaling to support wireless service redirection |
Gabriela M. Abramovici, Yuen-Yin L. Koo, Semyon B. Mizikovsky |
2002-05-14 |
| 6272358 |
Vocoder by-pass for digital mobile-to-mobile calls |
Kenneth W. Brent, Anne Yin-Fee Lee, Chinmei Chen Lee |
2001-08-07 |