Patents by Inventor Michael Stangl

Michael Stangl 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).

  • Patent number: 9031552
    Abstract: A method for testing at least one of an inbound or an outbound roaming functionality of a first public land mobile network and a second public land mobile network includes: assigning a first Mobile Station International Subscriber Directory Number (MSISDN) as a testing number in the first public land mobile network; triggering a simulated initiation of the first MSISDN in the second public land mobile network; assigning a second MSISDN as a testing number in the first public land mobile network; activating Call Forwarding on Not Reachable (CFNRc) functionality on the first MSISDN with forwarding to the second MSISDN; forwarding a Provide Roaming Number (PRN) request for the first MSISDN to a Visitor Location Register (VLR) of the second public land mobile network; and receiving a Mobile Station Roaming Number (MSRN) from the VLR of the second public land mobile network.
    Type: Grant
    Filed: June 9, 2011
    Date of Patent: May 12, 2015
    Assignee: Telekom Deutschland GmbH
    Inventors: Guenter Haberkorn, Michael Stangl
  • Publication number: 20130231096
    Abstract: A method for testing at least one of an inbound or an outbound roaming functionality of a first public land mobile network and a second public land mobile network includes: assigning a first Mobile Station International Subscriber Directory Number (MSISDN) as a testing number in the first public land mobile network; triggering a simulated initiation of the first MSISDN in the second public land mobile network; assigning a second MSISDN as a testing number in the first public land mobile network; activating Call Forwarding on Not Reachable (CFNRc) functionality on the first MSISDN with forwarding to the second MSISDN; forwarding a Provide Roaming Number (PRN) request for the first MSISDN to a Visitor Location Register (VLR) of the second public land mobile network; and receiving a Mobile Station Roaming Number (MSRN) from the VLR of the second public land mobile network.
    Type: Application
    Filed: June 9, 2011
    Publication date: September 5, 2013
    Applicant: TELEKOM DEUTSCHLAND GMBH
    Inventors: Guenter Haberkorn, Michael Stangl