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Method to provide an operator selection service as well as a communications network and a call server therefore Grant 8,811,589 - Weik , et al. August 19, 2 | 2014-08-19 |
Method of listening in to calls Grant 7,676,025 - Lautenschlager , et al. March 9, 2 | 2010-03-09 |
Method for supporting the communication of information via a communications system Grant 7,372,950 - Weik , et al. May 13, 2 | 2008-05-13 |
Method to provide an operator selection service as well as a communications network and a call server therefore Grant 7,260,206 - Weik , et al. August 21, 2 | 2007-08-21 |
Method To Provide An Operator Selection Service As Well As A Communications Network And A Call Server Therefore App 20070153992 - Weik; Hartmut ;   et al. | 2007-07-05 |
Power consumption management method Grant 7,123,994 - Weik , et al. October 17, 2 | 2006-10-17 |
Power consumption management method App 20050192713 - Weik, Hartmut ;   et al. | 2005-09-01 |
Energy management method App 20050187727 - Weik, Hartmut ;   et al. | 2005-08-25 |
Call establishment method App 20050074106 - Orlamunder, Harald ;   et al. | 2005-04-07 |
Method for information transfer between terminals of a communication network, and program module and terminal for this App 20050014465 - Rupp, Stephan ;   et al. | 2005-01-20 |
Server for supporting the establishment of telephone calls through an IP network Grant 6,801,526 - Stahl , et al. October 5, 2 | 2004-10-05 |
Service unit using essential and non-essential service request message classifications Grant 6,763,101 - Lautenschlager , et al. July 13, 2 | 2004-07-13 |
Method to provide an operator selection service as well as a communications network and a call server therefore App 20040081306 - Weik, Hartmut ;   et al. | 2004-04-29 |
Method of listening in to calls App 20030174695 - Lautenschlager, Wolfgang ;   et al. | 2003-09-18 |
Method of charging for the use of an internet service plus a service control unit and a service provider unit Grant 6,611,821 - Stahl , et al. August 26, 2 | 2003-08-26 |
Method Of Charging For The Use Of An Internet Service Plus A Service Control Unit And A Service Provider Unit App 20020161726 - STAHL, UWE ;   et al. | 2002-10-31 |
Method for supporting the communication of information via a communications system App 20020143678 - Weik, Hartmut ;   et al. | 2002-10-03 |
Method Of Establishing A Connection, As Well As An Exchange And A Service Control Point App 20020016832 - HORRER, MATTHIAS ;   et al. | 2002-02-07 |
Method of controlling call routing and a communication terminal Grant 6,321,096 - Lautenschlager , et al. November 20, 2 | 2001-11-20 |
Service unit App 20010040951 - Lautenschlager, Wolfgang ;   et al. | 2001-11-15 |
Method of establishing a connection, as well as exchange and communications network App 20010038691 - Lautenschlager, Wolfgang ;   et al. | 2001-11-08 |
Method and server for setting up a communication connection via an IP network App 20010018656 - Weik, Hartmut ;   et al. | 2001-08-30 |
Method Of Controlling Call Routing And A Communication Terminal App 20010014614 - LAUTENSCHLAGER, WOLFGANG ;   et al. | 2001-08-16 |
Charge information method Grant 6,263,058 - Lautenschlager , et al. July 17, 2 | 2001-07-17 |
Method of providing call charge information as well as service control facility, subscriber terminal exchange, terminal, and communication network Grant 6,104,792 - Lautenschlager , et al. August 15, 2 | 2000-08-15 |
Method of routing emergency calls Grant 6,067,356 - Lautenschlager , et al. May 23, 2 | 2000-05-23 |
Method and apparatus for providing a telecommunications service Grant 6,041,110 - Lautenschlager , et al. March 21, 2 | 2000-03-21 |
Method for providing call-charge information as well as call-charge device, subscriber terminal and service unit Grant 6,002,755 - Krank , et al. December 14, 1 | 1999-12-14 |
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 Grant 5,943,320 - Weik , et al. August 24, 1 | 1999-08-24 |
Method of establishing a connection to a subscriber through a first network, as well as service computer, switching facility, and terminal Grant 5,784,450 - Stahl July 21, 1 | 1998-07-21 |