My 4G lawful interception notes

Evolved Packet Systems (EPS)

• 3GPP TS 33.107
• 3GPP TS 33.108

IRI

Home Subscriber Server (HSS) IRI

Clause 10.5.1.1

• as a national option, a mobile terminal is authorized for service with another network operator or service provider; in that case, other related events are required as cancel location, register location, location information request from a third party’s node;
• as a national option, a REPORT record have to be generated when there is a HSS subscriber record change of IMSI or of MSISDN or IMEI triggered by a messages to or from the HSS;

IRI reports

• Table 10.5.1.1.12: Serving Evolved Packet System REPORT Record
• Table 10.5.1.1.17: HSS subscriber record change REPORT Record
• Table 10.5.1.1.18: Cancel location REPORT Record
• Table 10.5.1.1.19: Register location REPORT Record
• Table 10.5.1.1.20: Location information request REPORT Record

My lawful interception notes