Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7496924 | Dispatching messages among registered software modules in telecommunications system including telephony internet server coupled between packet network and PBX | Robert Callaghan, Jeff Cripe, Mark Grosberg, Kristin Butcher, Leroy Gilbert +3 more | 2009-02-24 |
| 7180888 | Queue as callable entity in an IP telephony system | Richard Crouch, Robert W. Stephens | 2007-02-20 |
| 7158487 | Multimedia terminal for telephony allowing multipoint connections | Karl Klaghofer, Werner Remmele | 2007-01-02 |
| 6999572 | Automated call connection system | Shmuel Shaffer, William J. Beyda | 2006-02-14 |
| 6965915 | Communications system for the control of a communications terminal by a remote computer | Jurgen Brieskorn, Michael Sassin, Shmuel Shaffer | 2005-11-15 |
| 6904041 | System and method for communication domains and subdomains in zones of real time communication systems | Paul Mayer, Robert Callaghan | 2005-06-07 |
| 6785223 | System and method for restarting of signaling entities in H.323-based realtime communication networks | Mark Clark, Paul Mayer | 2004-08-31 |
| 6636528 | Method for operating a switching device upon utilization of different signaling protocols and apparatus therefor | Guy Coen, Harald Mueller | 2003-10-21 |
| 6621814 | Method and apparatus for transmitting voice data in data packets with additional supplementary services | Guy Coen, Harald Mueller | 2003-09-16 |
| 6606495 | Method and arrangement for wireless communication by means of at least two network computers | Stefan Karapetkov | 2003-08-12 |
| 6584095 | Method and system for supporting wireless communications within an internetwork | Eli Jacobi, Peter Kozdon | 2003-06-24 |
| 6466662 | Method of implementing a call transfer from the active status in a communications network based on ITU-T standard H.323 | Karl Klaghofer | 2002-10-15 |
| 6456601 | Method and system to provide telephony tones and announcements in a packetized network environment | Peter Kozdon, Rudolph Bitzinger, Shmuel Shaffer | 2002-09-24 |
| 6449260 | Multimedia automatic call distribution system | Michael Sassin, Richard Crouch, Leon Xu, Uwe Wrede, Robert W. Stephens | 2002-09-10 |
| 6442268 | Method of implementing a line group function in a communications network based on ITU-T H.323 | Karl Klaghofer | 2002-08-27 |
| 6222853 | Communication system for a line network | Tapio Marttinen | 2001-04-24 |
| 6198696 | Device and method for tracking time zone changes in communications devices | Shmuel Shaffer, William J. Beyda | 2001-03-06 |
| 6161019 | Communication system with cordless system units connected to a communication network | Franz Saller, Emmeran Vollert | 2000-12-12 |
| 6028864 | Digital data transmission network and method for operating same | Tapio Marttinen | 2000-02-22 |
| 5864755 | Method for allowing a mobile phone to receive a call through a wireless network for which it is not registered, for emergency purposes | Neal J. King, Günter Kleindl, Ernst Horvath, Wilhelm Mueller | 1999-01-26 |