Issued Patents All Time
Showing 25 most recent of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9432239 | End-point identifiers in SIP | Sean Olson, Ajay P. Chitturi, David J. Simons, Nikhil Bobde | 2016-08-30 |
| 9313333 | Voicemail screening and call retrieval | Paul Tidwell, Dan Knudson | 2016-04-12 |
| 9241078 | Virtual contact identifier | Scott C. Forbes, Ross Cutler, Timothy M. Moore, Anthony J. Bawcutt | 2016-01-19 |
| 9031281 | Identifying an area of interest in imagery | Charles Frankel, Cody Keawe Yancey | 2015-05-12 |
| 8832437 | Stateless human detection for real-time messaging systems | Vlad Eminovici | 2014-09-09 |
| 8826018 | Stateless human detection for real-time messaging systems | Vlad Eminovici | 2014-09-02 |
| 8732818 | End-to-end authentication of session initiation protocol messages using certificates | David J. Simons | 2014-05-20 |
| 8565219 | Voicemail screening and call retrieval | Paul Tidwell, Dan Knudson | 2013-10-22 |
| 8490160 | Open federation security techniques with rate limits | Michael Trommsdorff, James Undery | 2013-07-16 |
| 8402146 | End-point identifiers in SIP | Sean Olson, Ajay P. Chitturi, David J. Simons, Nikhil Bobde | 2013-03-19 |
| 8347358 | Open enhanced federation security techniques | Michael Trommsdorff, James Undery | 2013-01-01 |
| 8307421 | End-to-end authentication of session initiation protocol messages using certificates | David J. Simons | 2012-11-06 |
| 8261071 | Stateless human detection for real-time messaging systems | Vladimir Eminovici | 2012-09-04 |
| 8223932 | Appending content to a telephone communication | Scott C. Forbes, Sean Olson, Dawson Yee, Timothy M. Moore, Kalyan Shankar Basu | 2012-07-17 |
| 8112796 | Secure federation of data communications networks | Gur Kimchi, Srikanth Shoroff | 2012-02-07 |
| 8065405 | Method and system for supporting the communication of presence information among computing devices of a network | Nikhil Bobde, Ajay P. Chitturi, Ann Demirtjis, Vishwajith Kumbalimutt, David J. Simons +1 more | 2011-11-22 |
| 8024470 | End-point identifiers in SIP | Sean Olson, Ajay P. Chitturi, David J. Simons, Nikhil Bobde | 2011-09-20 |
| 7653715 | Method and system for supporting the communication of presence information regarding one or more telephony devices | Nikhil Bobde, Robert Brown, Ajay P. Chitturi, Ann Demirtjis, Vishwajith Kumbalimutt +2 more | 2010-01-26 |
| 7552204 | Method and system for supporting the communication of presence information among computing devices of a network | Nikhil Bobde, Ajay P. Chitturi, Ann Demirtjis, Vishwajith Kumbalimutt, David J. Simons +1 more | 2009-06-23 |
| 7539856 | Distributed authentication in a protocol-based sphere of trust in which a given external connection outside the sphere of trust may carry communications from multiple sources | Robert Brown, Vishwajith Kumbalimutt, Sean Olson, Srikanth Shoroff | 2009-05-26 |
| 7535905 | Signing and validating session initiation protocol routing headers | Sankaran Narayanan, Vadim Eydelman, Jinyan Su | 2009-05-19 |
| 7506369 | Secure federation of data communications networks | Gur Kimchi, Srikanth Shoroff | 2009-03-17 |
| 7493390 | Method and system for supporting the communication of presence information regarding one or more telephony devices | Nikhil Bobde, Robert Brown, Vishwajith Kumbalimutt, David J. Simons, Zachary Taylor | 2009-02-17 |
| 7412521 | End-point identifiers in SIP | Sean Olson, Ajay P. Chitturi, David J. Simons, Nikhil Bobde | 2008-08-12 |
| 7266594 | Method and system for configuring a computer for real-time communication | Vishwajith Kumbalimutt, Robert Osborne, Robert Brown, David J. Simons | 2007-09-04 |