Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6393112 | System method for facilitating intelligent network call processing using a call context database | Arunachalam Venkatraman, Eric Zimmerer | 2002-05-21 |
| 6330323 | Enhanced overflow call processing | Cathleen Frazier, Wesley D. Rogers, Roger P. Engdahl | 2001-12-11 |
| 5920621 | System and method for distributing calls to customer service operators based on automatic determination of operator availability | — | 1999-07-06 |
| 5903638 | Telecommunications system for international call routing using traffic allocation | William G. Welter, Jr., Emery J. Reistetter, Eva Marcus-Kantor, Ronald J. Settele | 1999-05-11 |
| 5892822 | Method of and system for call routing compliant with international regulatory routing requirements | William A. Sims, Steven P. Higgins, Randall Ethier | 1999-04-06 |
| 5854834 | Network information concentrator | Isaac K. Elliott, Kevin F. James, Kevin R. Witzman | 1998-12-29 |
| 5844973 | Conference billing system with ID tagging | Arunachalam Venkatraman, Larry Ray DeVries | 1998-12-01 |
| 5835497 | Call record broadcast via an interface in a telecommunications network | Paul D. Litzenberger, Nadia A. Khalil | 1998-11-10 |
| 5809121 | System and method for generating a network call identifier | Isaac K. Elliott, Randall Ethier, Ed Pickeral | 1998-09-15 |
| 5774532 | Single network record construction | Isaac K. Elliott, Kevin R. Witzman | 1998-06-30 |
| 5638434 | Conference system for dial-out telephone calls | Arunachalam Venkatraman | 1997-06-10 |
| 5617422 | High speed interface in a telecommunications network | Paul D. Litzenberger | 1997-04-01 |
| 5617471 | Telecommunications system for transferring a telephone call | Wesley D. Rogers, Saleem R. Molani, Gregory W. Sedlock, Roger P. Engdahl | 1997-04-01 |
| 5610915 | System and method therefor of viewing call traffic of a telecommunications network | Isaac K. Elliott, Jim Finucane, Daniel L. O'Reilly, Gary E. Johnson | 1997-03-11 |
| 5537611 | Network management of special service calls | Narayanasamy Rajagopal, Elaine E. Reed, Leo Mack, Jim Finucane | 1996-07-16 |