L.4 LEMF Considerations
33.1083G Security3GPPHandover interface for Lawful Interception (LI)Release 17TS
The use of IPsec for the delivery of Conf-CC-PDU is recommended.
The required functions in the LEMF are:
– Collecting and storing of the incoming packets with the sequence numbers and time-stamp.
– Correlating the CC to IRI with the use of ConfCorrelation.
Annex M (informative):
Generic LI notification (HI1 notification using HI2 method)