Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8825470 | System and method of providing a response with a different language for a data communication protocol | Mallikarjuna Samayamantry Rao | 2014-09-02 |
| 8254373 | Method of conducting secure transactions over a telecommunications system and session initiation protocol (SIP) based input echo display control for conducting secure transactions | Mallikarjuna Samayamantry Rao | 2012-08-28 |
| 8249238 | Dynamic key exchange for call forking scenarios | Mallikarjuna Samayamantry, Johannes Ruetschi, Holger Prange | 2012-08-21 |
| 7995560 | Telecommunications system and method of session initiation protocol (SIP) based communications between endpoints | Luiz Cesar Zaniolo | 2011-08-09 |
| 7830823 | SIP telephone feature control | Kenneth E. Holloway, David VanderMeiden | 2010-11-09 |
| 7756257 | SIP enabled device identification | Peggy M. Stumer | 2010-07-13 |
| 7620167 | Apparatus to override the redirect or reject feature at an SIP end point | Mallikarjuna Samayamantry | 2009-11-17 |
| 7492887 | Network group pickup | Peggy M. Stumer, David A. Vander Meiden | 2009-02-17 |
| 7450572 | Intelligent terminal SIP enabled devices | David VanderMeiden | 2008-11-11 |
| 7190778 | Communication system and keyset therefore capable of identifying selected user locations | — | 2007-03-13 |
| 7003081 | Priority based methods and apparatus for transmitting accurate emergency location identification numbers (ELINs) from behind a multi-line telephone system (MLTS) | Peggy M. Stumer, Nissim Ozery, David A. Vander Meiden, Richard Frank | 2006-02-21 |
| 6866230 | Apparatus for and method of flying two-line steerable kites | — | 2005-03-15 |
| 6868139 | Priority based methods and apparatus for transmitting accurate emergency location identification numbers (ELINs) from behind a multi-line telephone system (MLTS) | Peggy M. Stumer, Nissim Ozery, David A. Vander Meiden, Richard Frank | 2005-03-15 |
| 6760585 | Private user mobility (PUM) update and private integrated services network PUM alternative identifier translator (PP-AIT) system and methods | Peggy M. Stumer | 2004-07-06 |
| 6757359 | Methods and apparatus for transmitting accurate emergency location identification numbers (ELINs) from behind a multi-line telephone system (MLTS) utilizing port equipment numbers | Peggy M. Stumer, Nissim Ozery, David A. Vander Meiden, Richard Frank | 2004-06-29 |
| 6728339 | Apparatus and method for E911 detection and callback monitoring | David Vander Meiden | 2004-04-27 |
| 6724877 | User specified hold recall treatment | David A. Vander Meiden, Richard Frank | 2004-04-20 |
| 6546096 | Proximity detector for initiating automatic callback | David A. Vander Meiden | 2003-04-08 |
| 6205213 | Partitioning of display for calling party numbers | David A. Vander Meiden | 2001-03-20 |
| 5991383 | Partitioning of display for calling party numbers | David A. Vander Meiden, Harald Müller | 1999-11-23 |