US 12,267,685 B2
Lawful interception triggered task status
Neeraj Surana, Karnataka (IN); Kantha Rao Dammalapati, Karnataka (IN); and Michael Anthony Brown, McKinney, TX (US)
Assigned to MICROSOFT TECHNOLOGY LICENSING, LLC, Redmond, WA (US)
Filed by Microsoft Technology Licensing, LLC, Redmond, WA (US)
Filed on May 26, 2022, as Appl. No. 17/804,252.
Claims priority of application No. 202141053655 (IN), filed on Nov. 22, 2021.
Prior Publication US 2023/0164573 A1, May 25, 2023
Int. Cl. H04W 28/04 (2009.01); H04L 67/141 (2022.01); H04W 12/80 (2021.01)
CPC H04W 12/80 (2021.01) [H04L 67/141 (2013.01); H04W 28/04 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A triggering function (TF) device for lawful interception (LI) of electronic communications, the device comprising:
a memory storing instructions; and
at least one processor communicatively coupled with the memory and configured to:
receive, by a triggering function (TF), a task request from an LI provisioning function (an LIFP), the task request comprising a TF task identifier (ID);
receive, by the TF, an indication of a protocol data unit (PDU) session establishment applicable to the received task request;
trigger, by the TF, each point of interception (POI) of one or more POIs applicable to the received task request in response to receiving the indication of PDU session establishment, the triggering including a POI task ID;
receive, by the TF from a triggered POI, a task response indicating a status of the received task at the triggered POI; and
report, by the TF to the LIPF, a TF task issue request indicating i) the status, ii) the TF task ID, iii) the POI task ID, and iv) a network entity ID of the triggered POI.