Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9942692 | One touch machine to machine device connection | Paul T. Schultz, Mark J. Hahn | 2018-04-10 |
| 9319530 | Method and system for providing telemetry, verification and/or other access in a SIP-based network | — | 2016-04-19 |
| 9241074 | Method and system for providing variable dial pattern provisioning in a SIP-based network | — | 2016-01-19 |
| 9191521 | Method and system for providing call waiting features in a SIP-based network | — | 2015-11-17 |
| 8908835 | Method and system for providing forced hold behavior in a SIP-based network | — | 2014-12-09 |
| 8885639 | Method and system for providing talking call waiting in a SIP-based network | — | 2014-11-11 |
| 8873548 | Method and system for providing call-forwarding status indications in a packet-switched network | — | 2014-10-28 |
| 8867725 | System and method for providing custom alerts | Robert E. Opaluch | 2014-10-21 |
| 8839397 | End point context and trust level determination | Paul T. Schultz, Mark J. Hahn, Robert A. Sartini | 2014-09-16 |
| 8467318 | Method and system for transferring in-progress communication between communication devices | Tanya D. Cherifi | 2013-06-18 |
| 8462772 | Method and system for providing party line emulation in a SIP-based network | — | 2013-06-11 |
| 8447019 | Method and system for providing call screening in a packet-switched network | — | 2013-05-21 |
| 8406407 | System and method for providing custom alerts | Robert E. Opaluch | 2013-03-26 |
| 8374166 | Method and system for providing call waiting features in a SIP-based network | — | 2013-02-12 |
| 8363812 | Method and system for providing call parking in a SIP-based network | — | 2013-01-29 |
| 8320365 | Presence based telephony | Michael A. Weintraub | 2012-11-27 |
| 8320532 | Method and system for providing voice dialing service in a SIP-based network | — | 2012-11-27 |
| 8165280 | Method and system for providing busy override service in a SIP-based network | — | 2012-04-24 |
| 8144693 | Method and system for providing telemetry, verification and/or other access in a SIP-based network | — | 2012-03-27 |
| 8130639 | Method and system for providing distinctive announcements in a SIP-based network | — | 2012-03-06 |
| 8116302 | Method and system for providing call screening in a packet-switched network | — | 2012-02-14 |
| 7668157 | Presence based telephony | Michael A. Weintraub | 2010-02-23 |
| 7424101 | Methods and systems for making telephone calls | James E. Haley, Douglas R. Jones, Arthur Doskow | 2008-09-09 |
| 7251317 | Methods and systems for making telephone calls | James E. Haley, Douglas R. Jones, Arthur Doskow | 2007-07-31 |
| 7159039 | Systems and methods for providing in-band and out-band message processing | Mark J. Hahn, Kevin Brophy, Anita Chow, Luis D. Letjer | 2007-01-02 |