Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10944832 | Supporting intermediate back to back user agents between user agents and a conference focus | Joel M. Ezell | 2021-03-09 |
| 10110682 | Supporting intermediate back to back user agents between user agents and a conference focus | Joel M. Ezell | 2018-10-23 |
| 9467570 | Call transfer with network spanning back-to-back user agents | Vipul Rastogi, Joel M. Ezell | 2016-10-11 |
| 8752054 | Intelligent merging of transactions based on a variety of criteria | Jon Louis Bentley, Anjur Sundaresan Krishnakumar, Parameshwaran Krishnan, John H. Meiners, Navjot Singh +1 more | 2014-06-10 |
| 8689301 | SIP signaling without constant re-authentication | Gordon R. Brunson, David Chavez, Stephen Durney, Gregory D. Weber | 2014-04-01 |
| 8499133 | Cache management for increasing performance of high-availability multi-core systems | Jon Louis Bentley, Anjur Sundaresan Krishnakumar, Parameshwaran Krishnan, John H. Meiners, Navjot Singh +1 more | 2013-07-30 |
| 8392980 | Trusted host list for TLS sessions | David Ahrens, Amit Agarwal, Manish Gaur, Robert J. Serkowski | 2013-03-05 |
| 8312239 | Cache management for increasing performance of high-availability multi-core systems | Jon Louis Bentley, Anjur Sundaresan Krishnakumar, Parameshwaran Krishnan, John H. Meiners, Navjot Singh +1 more | 2012-11-13 |
| 8254374 | Method for setting up a communication connection and private branch exchange for carrying out the method | Dietmar Henneke, Thorsten Baik, Frank Rodewald | 2012-08-28 |
| 8179804 | Internal/external network identifier | Gordon R. Brunson, Chandra Ravipati | 2012-05-15 |
| 8107361 | Simultaneous active registration in a SIP survivable network configuration | Al Baker, Mehmet C. Balasaygun, Gordon R. Brunson, Benjamin Jenkins, Pamela J. Lauber +1 more | 2012-01-31 |
| 8089872 | Efficient load balancing and heartbeat mechanism for telecommunication endpoints | Mehmet C. Balasaygun, Scott Hendrick, Renee Krahn, Manish Marwah, Sung-Hwan Moon +1 more | 2012-01-03 |
| 8018848 | Survivable phone behavior using SIP signaling in a SIP network configuration | Al Baker, Mehmet C. Balasaygun, Gordon R. Brunson, Benjamin Jenkins, Pamela J. Lauber +1 more | 2011-09-13 |
| 7995466 | Failover/failback trigger using SIP messages in a SIP survivable configuration | Al Baker, Mehmet C. Balasaygun, Gordon R. Brunson, Benjamin Jenkins, Pamela J. Lauber | 2011-08-09 |
| 7751536 | Line appearance reservation for SIP endpoints | Sandra R. Abramson, Chandra Ravipati, Ryan Scott Wallach, Peter Andrew Mataga | 2010-07-06 |
| 7668100 | Efficient load balancing and heartbeat mechanism for telecommunication endpoints | Mehmet C. Balasaygun, Scott Hendrick, Renee Krahn, Manish Marwah, Sung-Hwan Moon +1 more | 2010-02-23 |
| 7440421 | Detection of looping communication channels | Sandra R. Abramson, David Chavez, C. McMillen, Stephen M. Milton | 2008-10-21 |
| 7408925 | Originator based directing and origination call processing features for external devices | Kurt Haserodt, Peter Andrew Mataga, Chandra Ravipati, Ryan Scott Wallach | 2008-08-05 |
| 7319692 | Subscriber mobility in telephony systems | David Chavez, Kurt Haserodt, Stephen M. Milton, Chandra Ravipati | 2008-01-15 |
| 5717747 | Arrangement for facilitating plug-and-play call features | Andrew Franklin, Jane Gambill, Charles H. Parker, Dennis R. Sanger | 1998-02-10 |