| 10447854 |
Answering machine detection |
Ahmed Tewfik Bouzid, Lei Huang, Charles Qichi Lu, Rong Ma, Vadim Snitkovsky |
2019-10-15 |
| 10084912 |
Communication of information during a call |
Michael J. Saylor, Ahmed Tewfik Bouzid, David James Rennyson, Prasanna Sajeewa Naleen Perera |
2018-09-25 |
| 10051131 |
Multimodal interactive voice response system |
Michael J. Saylor, Ahmed Tewfik Bouzid, David James Rennyson, Prasanna Sajeewa Naleen Perera |
2018-08-14 |
| 9578170 |
Answering machine detection |
Ahmed Tewfik Bouzid, Lei Huang, Charles Qichi Lu, Rong Ma, Vadim Snitkovsky |
2017-02-21 |
| 9479640 |
Multimodal interactive voice response system |
Michael J. Saylor, Ahmed Tewfik Bouzid, David James Rennyson, Prasanna Sajeewa Naleen Perera |
2016-10-25 |
| 9100479 |
Answering machine detection |
Ahmed Tewfik Bouzid, Lei Huang, Charles Qichi Lu, Rong Ma, Vadim Snitkovsky |
2015-08-04 |
| 9083795 |
Communication of information during a call |
Michael J. Saylor, Ahmed Tewfik Bouzid, David James Rennyson, Prasanna Sajeewa Naleen Perera |
2015-07-14 |
| 8654934 |
Multimodal interactive voice response system |
Michael J. Saylor, Ahmed Tewfik Bouzid, David James Rennyson, Prasanna Sajeewa Naleen Perera |
2014-02-18 |
| 8582727 |
Communication of information during a call |
Michael J. Saylor, Ahmed Tewfik Bouzid, David James Rennyson, Prasanna Sajeewa Naleen Perera |
2013-11-12 |