V1.1.1 of the document need to be corrected following work in the SimulCrypt sub-group of DVB-TM, and there is a non-controversial simplification of the MIB in the specifications.
Universal Mobile Telecommunications System (UMTS); LTE; Digital cellular telecommunications system (Phase 2+) (GSM); 3G security; Lawful interception requirements (3GPP TS 33.106 version 16.0.0 Release 16)