| 7372950 |
Method for supporting the communication of information via a communications system |
Hartmut Weik, Wolfgang Lautenschlager, Uwe Stahl |
2008-05-13 |
| 6801526 |
Server for supporting the establishment of telephone calls through an IP network |
Uwe Stahl, Wolfgang Lautenschlager, Hartmut Weik |
2004-10-05 |
| 6466661 |
Method of establishing a connection, as well as exchange, service computer and communications network |
Wolfgang Lautenschlager |
2002-10-15 |
| 6343325 |
Method of establishing a connection, as well as an exchange and a service control point |
Matthias Horrer, Uwe Stahl |
2002-01-29 |
| 6067356 |
Method of routing emergency calls |
Wolfgang Lautenschlager, Hartmut Weik, Uwe Stahl |
2000-05-23 |
| 6002755 |
Method for providing call-charge information as well as call-charge device, subscriber terminal and service unit |
Wolfgang Lautenschlager, Uwe Stahl, Hartmut Weik |
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 |
Hartmut Weik, Uwe Stahl, Wolfgang Lautenschlager, Rudiger Falkner |
1999-08-24 |
| 5251239 |
Synchronizing method for SDH systems as well as method of and circuit arrangement for identifying different data structures |
Karl-Albert Turban |
1993-10-05 |