| 8549083 |
Message waiting notification to external message centers |
Yigang Cai, Atul Halari, Harold Robert Smith, Jr. |
2013-10-01 |
| 7142857 |
Apparatus, method and system for maintaining call control at a gateway mobile switching center utilizing a packet network |
Thomas Edward Hudepohl, Douglas Harvey Riley, Robin Jeffrey Thompson |
2006-11-28 |
| 6978133 |
Mobile station origination when serving mobile switching center is not wireless intelligent network capable |
Ramachendra P. Batni, Neil Harrison, Aftab Ahmed Khan, Michael J. Rudolph, Indrani Sen +3 more |
2005-12-20 |
| 6839555 |
Method and apparatus for supporting voice message services with automatic rebound in a wireless intelligent network |
Langdon Edward Alger, Tracy Edwin III East, John Mitchell Rendak, Robert John Zurawski |
2005-01-04 |
| 6782258 |
Wireless hot-lining with automatically assigned variable hot-line number |
Dara Ung, Mark Titus, Margaret Skalko Shepard, Karl Lebedda, Carle S. Johnson, Jr. |
2004-08-24 |
| 6519454 |
Apparatus and method providing ubiquitous call transfer of an incoming call to a mobile subscriber unit |
Harold Robert Smith, Jr., Jeffrey Arthur Zahnle |
2003-02-11 |
| 6393289 |
Apparatus, method and system for wireless telecommunication session control by an adjunct network entity |
Roger L. Bunting, Jason Christopher Byrne, Harold Robert Smith, Jr. |
2002-05-21 |
| 6389279 |
Method and apparatus providing call redirection for subsequent call events in a telephone communications system |
Robin Jeffrey Thompson, Jeffrey Arthur Zahnle, Robert John Zurawski |
2002-05-14 |
| 6343215 |
ANSI 41 dialed number validation |
Thomas Edward Hudepohl, Todd C. Morgan |
2002-01-29 |
| 6236857 |
Methods and apparatus for accessing enhanced wireless services platforms via the public switched telephone network |
Nicholas Gnesda, Douglas Harvey Riley, Jeffrey Arthur Zahnle |
2001-05-22 |
| 6055423 |
Method for updating message waiting number count for a mobile telephone in an ANSI41 network |
Bernard Louis Cyr |
2000-04-25 |
