Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9042535 | Echo control optimization | Bhargav G. Pandya, Gary Skrabutenas | 2015-05-26 |
| 8713105 | Method and apparatus for transcoding and transrating in distributed video systems | Francis Viggiano, Nermin M. Ismail, Walter R. Friedrich, Duanpei Wu, Shantanu Sarkar | 2014-04-29 |
| 8208003 | Minimizing fast video update requests in a video conferencing system | Randall B. Baird, Ryan Knotts, Manjunath Bangalore, Shantanu Sarkar | 2012-06-26 |
| 7929012 | Method and architecture for distributed video switching using media notifications | Steven G. Fry, Nermin M. Ismail, Walter R. Friedrich, Duanpei Wu | 2011-04-19 |
| 7639667 | Method and system for transmitting messages in a communications network | — | 2009-12-29 |
| 7551573 | Method and system for maintaining video connectivity | Randall B. Baird, Connie Tang, Francis Viggiano | 2009-06-23 |
| 7209475 | System and method for providing on-hold content in a voice over internet protocol (VoIP) environment | Shmuel Shaffer, Shantanu Sarkar | 2007-04-24 |
| 7173911 | System and method for music-on-hold in a voice over internet protocol (VoIP) environment | Shantanu Sarkar, Shmuel Shaffer | 2007-02-06 |
| 6917587 | Method and apparatus for recovering a call resource from a call session | Shantanu Sarkar, Shmuel Shaffer | 2005-07-12 |
| 6845250 | Method and system for transmitting messages in a communications network | — | 2005-01-18 |