US 12,255,931 B2
Methods, system and communication devices related to lawful interception
Daniele Gaito, Naples (IT); Raffaele Costabile, Torre del Greco (IT); and Gaetano Barba, Sant'Antonio Abate (IT)
Assigned to Telefonaktiebolaget LM Ericsson (publ), Stockholm (SE)
Appl. No. 18/010,658
Filed by Telefonaktiebolaget LM Ericsson (publ), Stockholm (SE)
PCT Filed Jun. 18, 2020, PCT No. PCT/EP2020/066929
§ 371(c)(1), (2) Date Dec. 15, 2022,
PCT Pub. No. WO2021/254622, PCT Pub. Date Dec. 23, 2021.
Prior Publication US 2023/0224337 A1, Jul. 13, 2023
Int. Cl. H04L 9/40 (2022.01); H04L 67/00 (2022.01)
CPC H04L 63/306 (2013.01) [H04L 67/34 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A communication device comprising a lawful interception (LI) Administration Function (ADMF), the communication device comprising a processor and a memory, said memory containing instructions executable by said processor, whereby the communication device is operative to:
select information about a type of issue to be sent in a message to the LI ADMF from a network element (NE) over an X1 interface according to ETSI TS 103 221-1;
send a request to the NE, that is configured to perform an action associated with a lawful interception, to add information associated with the LI ADMF and information about one or more interfaces on the NE over which the message will be sent, or to modify information associated with the LI ADMF and information about one or more interfaces for the message to be sent from the NE to the LI ADMF over the X1 interface, wherein the request comprises the information about the type of issue in a DeliveryType field or in an X1 DeliveryTypeFilter field; and
receive a response from the NE to the request, wherein the response comprises a result associated with the request.