Patents by Inventor Tomas Lebl

Tomas Lebl has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method for blocking roaming-steering mechanisms
    Patent number: 8254916
    Abstract: The invention relates to a method for blocking roaming steering mechanisms. According to said method, a foreign cellular device (3), e.g. a cellular telephone, is registered with nationally visited radio network (2) when the foreign (1) and the national cellular network operator have concluded a roaming agreement on mutually debiting cellular services. The invention is characterized in that an anti-roaming steering server (5) installed in the nationally visited cellular network (2) identifies manipulated error messages (14) and selectively manipulates the registration process (8) of foreign mobile users by adequately influencing signaling processes.
    Type: Grant
    Filed: July 7, 2007
    Date of Patent: August 28, 2012
    Assignee: T-Mobile International AG
    Inventors: Peter Jessen, Tomas Lebl, Maik Kirsch
  • Method for Blocking Roaming-Steering Mechanisms
    Publication number: 20090312015
    Abstract: The invention relates to a method for blocking roaming steering mechanisms. According to said method, a foreign cellular device (3), e.g. a cellular telephone, is registered with nationally visited radio network (2) when the foreign (1) and the national cellular network operator have concluded a roaming agreement on mutually debiting cellular services. The invention is characterized in that an anti-roaming steering server (5) installed in the nationally visited cellular network (2) identifies manipulated error messages (14) and selectively manipulates the registration process (8) of foreign mobile users by adequately influencing signaling processes.
    Type: Application
    Filed: July 7, 2007
    Publication date: December 17, 2009
    Applicant: T-Mobile International AG
    Inventors: Peter Jessen, Tomas Lebl, Maik Kirsch