Patents by Inventor Urpo Karki

Urpo Karki 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).

  • Intercepting a call connection to a mobile subscriber roaming in a visited PLMN (VPLMN)
    Patent number: 7565146
    Abstract: The present invention relates to a method for intercepting a connection established in a communication network system between a called terminal (B) and a calling terminal (A), said network system comprising at least two communication networks (HPLMN, VPLMN) having an interface towards each other, said called terminal (B) being registered to a subscriber database entity (HLR, HSS) of one of said communication networks (HPLMN) while being located in another one (VPLMN) of said communication networks, the method comprising the steps of: initiating a connection establishment from said calling terminal (A) towards said called terminal (B), requesting, during connection establishment, said subscriber database entity (HLR, HSS) to which said called terminal (B) is registered, for subscriber related information, detecting that said requested information contains an indication that connections to said called subscriber (B) are to be intercepted, and tapping the established connection between the called (B) and calling
    Type: Grant
    Filed: December 21, 2001
    Date of Patent: July 21, 2009
    Assignee: Nokia Corporation
    Inventors: Jorma Seurujärvi, Antti Laurila, Urpo Kärki
  • Intercepting a call connection to a mobile subscriber roaming in a visted plmn (vplmn)
    Publication number: 20050027866
    Abstract: The present invention relates to a method for intercepting a connection established in a communication network system between a called terminal (B) and a calling terminal (A), said network system comprising at least two communication networks (HPLMN, VPLMN) having an interface towards each other, said called terminal (B) being registered to a subscriber database entity (HLR, HSS) of one of said communication networks (HPLMN) while being located in another one (VPLMN) of said communication networks, the method comprising the steps of: initiating a connection establishment from said calling terminal (A) towards said called terminal (B), requesting, during connection establishment, said subscriber database entity (HLR, HSS) to which said called terminal (B) is registered, for subscriber related information, detecting that said requested information contains an indication that connections to said called subscriber (B) are to be intercepted, and tapping the established connection between the called (B) and calling
    Type: Application
    Filed: December 21, 2001
    Publication date: February 3, 2005
    Inventors: Jorma Seurujarvi, Antti Laurila, Urpo Karki