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:
Mar. 12, 2019
Filed:
Apr. 19, 2013
Telefonaktiebolaget L M Ericsson (Publ), Stockholm, SE;
Jiangtao Zhang, San Jose, CA (US);
Bengt Johansson, Västra Frölunda, SE;
Lasse Olsson, Stora Höga, SE;
Sten Pettersson, Torslanda, SE;
TELEFONAKTIEBOLAGET LM ERICSSON (PUBL), Stockholm, SE;
Abstract
The present disclosure relates to methods and devices, of activating lawful interception. According to the present disclosure, a gateway comprises a controller for controlling, using a flow control protocol, the flow of packets through a switch controlled by the gateway. The switch receives (S), from the controller, a lawful interception activation request, comprising a target identity; activates (S), in response to said request, lawful interception on a target identified by the target identity; duplicates (S), in the switch, packets targeting the target; encapsulates (S) the duplicated packets with an additional header; and forwards (S) duplicates from the switch directly to the lawful interception service provider entity () for further distribution to a Lawful interception Agency.