| 8811589 |
Method to provide an operator selection service as well as a communications network and a call server therefore |
Uwe Stahl |
2014-08-19 |
| 8054825 |
Method for transferring a call between a telecommunications network and a data network |
Johannes Schmechel |
2011-11-08 |
| 7702923 |
Storage service |
Manfred Laube, Manfred Weiss |
2010-04-20 |
| 7372950 |
Method for supporting the communication of information via a communications system |
Lothar Krank, Wolfgang Lautenschlager, Uwe Stahl |
2008-05-13 |
| 7260206 |
Method to provide an operator selection service as well as a communications network and a call server therefore |
Uwe Stahl |
2007-08-21 |
| 7123994 |
Power consumption management method |
Nina Köstering, Stephan Rupp, Uwe Stahl, Franz-Josef Banet |
2006-10-17 |
| 7024480 |
Method, devices and program modules for data transmission with assured quality of service |
— |
2006-04-04 |
| 6970543 |
Method and devices for call identification |
Wolfgang Lautenschlager |
2005-11-29 |
| 6801526 |
Server for supporting the establishment of telephone calls through an IP network |
Uwe Stahl, Wolfgang Lautenschlager, Lothar Krank |
2004-10-05 |
| 6744871 |
Method for routing service calls in a telecommunication network, as well as a telecommunication network, switching center and program module therefor |
Wolfgang Lautenschlager, Heike Felbecker-Janho |
2004-06-01 |
| 6628773 |
Process for providing the subscriber number of the calling subscriber, service unit, and private communication network |
Wolfgang Lautenschlager |
2003-09-30 |
| 6587549 |
Device for automatically processing incoming electronic mail (=e-mail) |
— |
2003-07-01 |
| 6570979 |
Compatibility server with in-supported telephone number portablility |
Wolfgang Lautenschlager |
2003-05-27 |
| 6337902 |
Method for procuring instructions regarding a target subscriber in a telecommunication network and nodal points for this |
Wolfgang Lautenschlager |
2002-01-08 |
| 6219338 |
Method of establishing a connection, as well as exchange, service computer and communications network |
— |
2001-04-17 |
| 6160882 |
Subscriber access network, exchange, service control point, and method of establishing a connection |
Wolfgang Lautenschlager |
2000-12-12 |
| 6067356 |
Method of routing emergency calls |
Wolfgang Lautenschlager, Lothar Krank, Uwe Stahl |
2000-05-23 |
| 6002755 |
Method for providing call-charge information as well as call-charge device, subscriber terminal and service unit |
Lothar Krank, Wolfgang Lautenschlager, Uwe Stahl |
1999-12-14 |
| 5943320 |
Method of charging for the use of a telecommunications service, as well as a switching system, a service control point, and a network management facility |
Uwe Stahl, Wolfgang Lautenschlager, Lothar Krank, Rudiger Falkner |
1999-08-24 |
| 4926416 |
Method and facilities for hybrid packet switching |
— |
1990-05-15 |
