The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 03, 2012
Filed:
Jun. 08, 2004
Pompeo Santoro, Baronissi, IT;
Mario Claps, Salerno, IT;
Pompeo Santoro, Baronissi, IT;
Mario Claps, Salerno, IT;
Telefonaktiebolaget L M Ericsson (Publ), Stockholm, SE;
Abstract
A method for detecting the presence of fraudulent Subscriber Identity Modules in a network for cellular communications comprising the steps of: at a first Service Node, receiving a registration request by a first User Equipment comprising a Subscriber Identity Module for defining an identity of a subscriber; initiating a checking to establish whether the subscriber is already registered with the same identity in at least one Service Node over the network, including the first Service Node; if the subscriber results to be already registered with the same identity in at least a second Service Node over the network, retrieving status information on at least a second User Equipment associated with the already registered subscription for checking whether the second User Equipment is not the first User Equipment; and disabling any subscription of the subscriber associated with the identity if the second User Equipment results not to be the first User Equipment.