Question: What information is ALWAYS included in the message sent from the Administration Function (ADMF) to the Delivery Function (DF) for the activation of Intercept Related Information (IRI)?
Option 1: Target identity, LEMF address, and warrant reference number
Option 2: Target identity, address(es) for delivery of IRI, and DF2 activation identity
Option 3: Interception of international outbound roaming IMS VoIP indication, IA for location dependent interception, and primary/failover address(es)
Option 4: Target identity, address(es) for delivery of IRI (= LEMF address), and a subset of information to be delivered
Explanation: For the activation of IRI, the essential elements that must always be communicated from the ADMF to the DF include the target's identity (to specify who is being intercepted), the address(es) for delivering the IRI (to ensure the intercepted information reaches the correct Law Enforcement Monitoring Facility - LEMF), and a specification of which subset of information shall be delivered (to define the scope of the interception). While other elements are important, they either serve more nuanced purposes or are conditionally required based on the scenario. The target's identity, IRI delivery address, and the defined subset of information to be delivered form the foundational requirements for initiating an IRI activation.