Issued Patents All Time
Showing 26–50 of 66 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8750291 | Enhanced call preservation techniques for SIP-based communication networks | Mehmet C. Balasaygun, Harsh V. Mendiratta | 2014-06-10 |
| 8718261 | Efficient and cost-effective distributed call admission control | James Douglas Free, Christopher D. Baldwin, Chandra Ravipati | 2014-05-06 |
| 8689301 | SIP signaling without constant re-authentication | Frank J. Boyle, David Chavez, Stephen Durney, Gregory D. Weber | 2014-04-01 |
| 8576996 | This call | — | 2013-11-05 |
| 8510435 | Highly scalable and distributed call/media modeling and control framework | Joel M. Ezell, Harsh V. Mendiratta, Owen D. Williams | 2013-08-13 |
| 8423629 | Network framework associating non-enterprise phone with enterprise users | Harsh V. Mendiratta, Chandra Ravipati | 2013-04-16 |
| 8281020 | Smart load balancing for call center applications | Tibor Lukac | 2012-10-02 |
| 8233606 | Conference call hold with record and time compression | — | 2012-07-31 |
| 8218735 | Messaging advise in presence-aware networks | Andrew Charles Zmolek | 2012-07-10 |
| 8179804 | Internal/external network identifier | Frank J. Boyle, Chandra Ravipati | 2012-05-15 |
| 8107361 | Simultaneous active registration in a SIP survivable network configuration | Al Baker, Mehmet C. Balasaygun, Frank J. Boyle, Benjamin Jenkins, Pamela J. Lauber +1 more | 2012-01-31 |
| 8107597 | Messaging advise in presence-aware networks | Andrew Charles Zmolek | 2012-01-31 |
| 8098799 | Messaging advise in presence-aware networks | Andrew Charles Zmolek | 2012-01-17 |
| 8095611 | SIP endpoint enhancer | Peter Barrett, Chris Boulton, Ian Evans, Joel M. Ezell, Gethin Liddell +2 more | 2012-01-10 |
| 8064574 | Messaging advise in presence-aware networks | Andrew Charles Zmolek | 2011-11-22 |
| 8050388 | Messaging advise in presence-aware networks | Andrew Charles Zmolek | 2011-11-01 |
| 8032624 | Pluggable contact resolution | Tibor Lukac, Chandra Ravipati | 2011-10-04 |
| 8018848 | Survivable phone behavior using SIP signaling in a SIP network configuration | Al Baker, Mehmet C. Balasaygun, Frank J. Boyle, Benjamin Jenkins, Pamela J. Lauber +1 more | 2011-09-13 |
| 8014497 | Messaging advise in presence-aware networks | Andrew Charles Zmolek | 2011-09-06 |
| 8010677 | Alternative bandwidth management algorithm | Chandra Ravipati | 2011-08-30 |
| 7995466 | Failover/failback trigger using SIP messages in a SIP survivable configuration | Al Baker, Mehmet C. Balasaygun, Frank J. Boyle, Benjamin Jenkins, Pamela J. Lauber | 2011-08-09 |
| 7940793 | Media application | Itai Ephraim Zilbershtein, Zvika Perry, Yaron Pdut | 2011-05-10 |
| 7936865 | Messaging advise in presence-aware networks | Andrew Charles Zmolek | 2011-05-03 |
| 7809125 | Method and apparatus for selection of special-purpose gateways | Paul Roller Michaelis | 2010-10-05 |
| 7746997 | Interactive telephony trainer and exerciser | — | 2010-06-29 |