Issued Patents All Time
Showing 25 most recent of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10938914 | Inter domain instant messaging bridge | Timothy I. Ross | 2021-03-02 |
| 9788256 | Reduction of wireless communication costs in enterprises | John Buford, Venkatesh Krishnaswamy | 2017-10-10 |
| 9160861 | Managing held telephone calls at the call-forwarding system | Sandra R. Abramson | 2015-10-13 |
| 8929209 | Quantum and promiscuous user agents | Mehmet C. Balasaygun, Rajeshwari Edamadaka, Harsh V. Mendiratta, Timothy I. Ross | 2015-01-06 |
| 8879707 | Private branch exchange that manages interactions between associated telecommunications terminals | Sandra R. Abramson, Emil F. Stefanacci | 2014-11-04 |
| 8811967 | Changing the user interface at a telecommunications terminal | Sandra R. Abramson, Richard Reid Hovey, Richard Matthews | 2014-08-19 |
| 8619956 | Private-branch exchange that provides call bridging to an off-premises terminal in the presence of a third-party application | Sandra R. Abramson | 2013-12-31 |
| 8452303 | Reduction of wireless communication costs in enterprises | John Buford, Venkatesh Krishnaswamy | 2013-05-28 |
| 8442202 | Private-branch exchange that provides outgoing calling for an off-premises terminal in the presence of a third-party application | Sandra R. Abramson | 2013-05-14 |
| 8391138 | Quantum and promiscuous user agents | Mehmet C. Balasaygun, Rajeshwari Edamadaka, Harsh V. Mendiratta, Timothy I. Ross | 2013-03-05 |
| 8300782 | Secure feature access from an off-PBX telephone | — | 2012-10-30 |
| 8275113 | Shared mapping of a station extension within a distributed, enterprise telecommunications system, to an associated telephone number | Sandra R. Abramson | 2012-09-25 |
| 8259920 | Call extension in telecommunications systems | Sandra R. Abramson, Emil F. Stefanacci | 2012-09-04 |
| 8259922 | Emulation of private branch exchange behavior | Sandra R. Abramson, William Toth | 2012-09-04 |
| 8160585 | Call-handling for an off-premises, telecommunications terminal with an installed subscriber identity module | Sandra R. Abramson | 2012-04-17 |
| 8160228 | Private-branch exchange that provides incoming calling extended to an off-premises terminal in the presence of a third-party application | Sandra R. Abramson | 2012-04-17 |
| 8036660 | Call-handling for an off-premises, telecommunications terminal with an installed subscriber identity module | Sandra R. Abramson | 2011-10-11 |
| 8014501 | Determining whether to provide authentication credentials based on call-establishment delay | Sandra R. Abramson | 2011-09-06 |
| 7991143 | Rapid response to user input at a telecommunications terminal | Sandra R. Abramson | 2011-08-02 |
| 7983148 | Disaster recovery via alternative terminals and partitioned networks | Sandra R. Abramson, David Chavez, Albert D. Pessot, Emil F. Stefanacci | 2011-07-19 |
| 7983410 | Call handling of an indeterminate termination | Sandra R. Abramson, C. McMillen, John H. Meiners | 2011-07-19 |
| 7974395 | Detection of telephone number spoofing | Sandra R. Abramson | 2011-07-05 |
| 7920685 | Private branch exchange with self-referencing extensions | Sandra R. Abramson | 2011-04-05 |
| 7885399 | Cost-conscious telecommunications terminal | Sandra R. Abramson, William Toth | 2011-02-08 |
| 7680260 | Detecting a voice mail system answering a call | Sandra R. Abramson | 2010-03-16 |