Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8325709 | Method and terminal for controlling multimedia connections | Alfons Fartmann | 2012-12-04 |
| 7852833 | System for switching from an established media path to a new media path in a packet based network | Ernst Horvath, Karl Klaghofer, Rainer Zimmermann | 2010-12-14 |
| 7701927 | Method for transmitting communication data in a communication system | Robert Stampfl, Steffi Winkler | 2010-04-20 |
| 7702079 | Adapter unit and method | Stephan Schaade | 2010-04-20 |
| 7602897 | Method for supporting the mobility of a subscriber across a communication system | Dirk Blickberndt, Stephan Schaade | 2009-10-13 |
| 7239863 | Method for requesting a subscriber communication to a communication system | Dirk Blickberndt, Stephan Schaade | 2007-07-03 |
| 7072453 | Method and system for the flexible definition of graphic information on communication terminals | Stephan Schaade, Gerhard Wieserner | 2006-07-04 |
| 6823055 | Method for a communication network that allows inter-node user mobility | Georg Mayer, Rosa Santa | 2004-11-23 |
| 6744875 | Method for switching a first communication link to a second communication link between two communication systems | Klaus Wehrend | 2004-06-01 |
| 6430283 | Communication system consisting of at least two private branch exchanges with pbx team function | — | 2002-08-06 |
| 6320954 | Communication system consisting of at least two private branch exchanges with a team function | — | 2001-11-20 |
| 6236721 | Method for route searching in telecommunications networks | Robert Stampfl, Dirk Blickberndt, Alfons Fartmann | 2001-05-22 |
| 6178182 | Method and communication system for the transmission of compressed voice information in a communication network | Andre Blitz, Walter Rott | 2001-01-23 |
| 6160817 | Method for using narrowband performance features provided in broadband communications terminals, in broadband networks | Michael Tietsch, Werner Stockl | 2000-12-12 |
| 6047058 | Communication system of at least two private branch exchanges having a team function | — | 2000-04-04 |
| 5638432 | Method of setting up telecommunication connections | Georg Jahnke, Eberhard Wildgrube, Maung Myo-Kyaw | 1997-06-10 |
| 5579385 | Method of signalling subscriber numbers in a telecommunications network | Karl-Heinz Martin, Christian Kofler | 1996-11-26 |
| 5539742 | Process for signalling the call number in a telecommunication network | Karl-Heinz Martin, Christian Kofler | 1996-07-23 |
| 5537392 | Procedure and device for routing telecommunications in a meshed network | Karl-Heinz Martin, Christian Kofler | 1996-07-16 |
| 5513258 | Method and apparatus for processing call number information for a switching system | Harold Linke, Karl-Heinz Hass | 1996-04-30 |