Issued Patents All Time
Showing 51–67 of 67 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5978673 | Providing location-based call forwarding within a mobile telecommunications network | Eric Valentine | 1999-11-02 |
| 5970403 | Load based charging within a mobile telecommunications network | Ranjit Bhatia | 1999-10-19 |
| 5960356 | Paging a mobile station within a public land mobile network (PLMN) | Alain Maupin | 1999-09-28 |
| 5940763 | Enhanced preemption within a mobile telecommunications network | Ranjit Bhatia | 1999-08-17 |
| 5924041 | Method and apparatus for providing a dispatch system in a cellular radiotelephone system | Eric Valentine | 1999-07-13 |
| 5924027 | Best-chance routing | Eric Valentine | 1999-07-13 |
| 5896376 | Optimal use of logical channels within a mobile telecommunications network | Ranjit Bhatia | 1999-04-20 |
| 5878338 | System and method of restricting incoming calls by comparing the forwarded-from directory number to a directory number stored within the network | Eric Valentine | 1999-03-02 |
| 5878115 | Method and apparatus for providing different terminating call treatments based on service area | Eric Valentine, James L. Mills, Erkki Joensuu, Mahesh Patel, David Boltz | 1999-03-02 |
| 5873034 | Default long distance carrier selection within a visited public land mobile network | Eric Valentine | 1999-02-16 |
| 5832382 | Optimized routing of mobile calls within a telecommunications network | — | 1998-11-03 |
| 5819180 | Automatic call generator with a mobile telecommunications network based upon mobile subscriber's location | Eric Valentine | 1998-10-06 |
| 5781628 | System and method for selective restriction of ciphering | Eric Valentine | 1998-07-14 |
| 5712900 | Emergency call back for roaming mobile subscribers | Alain Maupin | 1998-01-27 |
| 5689548 | Emergency call back using MSC numbers | Alain Maupin | 1997-11-18 |
| 5559876 | Conferencing circuit, and associated method, for automatically conferencing subscriber units together in a telephonic conference | — | 1996-09-24 |
| 5530931 | Method and apparatus for providing a look ahead feature for enhanced call forwarding in a telecommunications system | Karen Cook-Hellberg, M. Amelia Noriega, KATHLEEN ANGERER, Lorie A. Presto-Railey, Prafulla M. Shintri +2 more | 1996-06-25 |