US 12,074,916 B2
Methods, communication devices and system relating to performing lawful interception
Daniele Gaito, Naples (IT); Gaetano Barba, Sant'Antonio Abate (IT); and Raffaele Costabile, Torre del Greco (IT)
Assigned to Telefonaktiebolaget LM Ericsson (publ), Stockholm (SE)
Appl. No. 18/026,200
Filed by Telefonaktiebolaget LM Ericsson (publ), Stockholm (SE)
PCT Filed Sep. 14, 2020, PCT No. PCT/SE2020/050856
§ 371(c)(1), (2) Date Mar. 14, 2023,
PCT Pub. No. WO2022/055403, PCT Pub. Date Mar. 17, 2022.
Prior Publication US 2023/0370501 A1, Nov. 16, 2023
Int. Cl. H04L 9/40 (2022.01)
CPC H04L 63/306 (2013.01) 18 Claims
OG exemplary drawing
 
1. A method performed by a communication device hosting a network element (NE), the method comprising:
preparing a Report Issue request message for reporting an Issue;
incrementing an Issue count to obtain a current Issue count of Issues reported by the NE to a lawful interception (LI) administrative function (ADMF), wherein the current Issue count also forms an identifier of the Issue;
adding the current Issue count to the Report Issue request message;
sending the Report Issue request message including the current Issue count to the LI ADMF;
receiving a request message from the LI ADMF requesting information about at least one Report Issue request message sent by the NE and not received by the LI ADMF, based on comparing the current Issue count of Issues reported from the NE to the LI ADMF with a current Issue count of Issues received at the LI ADMF from the NE and determining based on the comparing that there is at least one Report Issue request message sent by the NE and not received by the LI ADMF; and
sending a response message including the requested information.