Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6904276 | Apparatus and method for managing call billing records | Michael B. Freeman, Roland B. Webster, Michael D. Jarrett | 2005-06-07 |
| 6493438 | Direct distance dialing (DDD) access to a communication services platform | Karen A. Gross, Thomas W. Lear | 2002-12-10 |
| 6058176 | Method of and system for terminating calls to selected trunk group members | Shailin Sehgal | 2000-05-02 |
| 6018575 | Direct distance dialing (DDD) access to a communications services platform | Karen A. Gross, Thomas W. Lear | 2000-01-25 |
| 5901207 | System and method for charge number/calling party number switch call processing | — | 1999-05-04 |
| 5887057 | System and method for overflow on demand in a telecommunications network | — | 1999-03-23 |
| 5812655 | Flexible service access code (SAC) | Timothy A. Morgan | 1998-09-22 |