| 5742674 |
Automatic call-back system and method using data indicating best time to call |
Ajay Jain |
1998-04-21 |
| 5646986 |
Network communication system with global event calendar information and trunk allocation |
Andrew Soong |
1997-07-08 |
| 5559888 |
Secure information retrieval service (SIRS) |
Ajay Jain, Alok Gupta |
1996-09-24 |
| 5506890 |
Method and apparatus for group-specific calling |
Alok Gupta, Ajay Jain, Shri P. Jain |
1996-04-09 |
| 5463685 |
Network based outbound call management |
Barbara I. Gaechter, I. Grace Tseng |
1995-10-31 |
| 5357564 |
Intelligent call screening in a virtual communications network |
Alok Gupta, Monowar Hossain |
1994-10-18 |
| 5329581 |
Target area calling system |
Albert Friedes, Barbara I. Gaechter, Susan M. Zoccolillo |
1994-07-12 |
| 5311583 |
International priority calling system with callback features |
Albert Friedes, Diane R. Leighton, Walter Paul Zahray |
1994-05-10 |
| 5282243 |
Recording of automatic number identification to identify lost customers |
Hassan Dabbaghi, Robert Finberg, Albert Friedes, Lisa C. Giulianelli, Angela R. Gore +4 more |
1994-01-25 |
| 5184345 |
Enhanced |
— |
1993-02-02 |
| 5018191 |
Special service call routing |
Nancy A. Catron, Richard J. Famulare, Joseph V. Fodale, Karrie Hanson, Robert Koch +3 more |
1991-05-21 |