name: ADMF
full_form: LI Administration Function
context: According to the LI model defined in ETSI TS 103 221-1 [6], the ADMF as an administration function establishes and manages the Lawful Interception (LI). In doing so, the ADMF performs the target provisioning at various Network Elements (NEs) using the X1 protocol as defined in ETSI TS 103 221-1 [6]. Within the LI architecture model defined in TS 33.127 [3] and TS 33.128 [4], the ADMF has two sub-functions referred to as Lawful Interception Control Function (LICF) and Lawful Interception Provisioning Function (LIPF). The LICF receives the warrant information from the LEA over LI_HI1 interface. The LIPF performs the provisioning of all LI functions within various NFs of CSP network including the MDF2 and MDF3. See figure 4.1-1 below for an overview. Figure 4.1-1: LIPF in ADMF provisioning of NEs With respect to the LI model of ETSI 103 221-1 [6], the LIPF plays the role of ADMF (as defined in ETSI 103 221-1 [6], and the LI functions (within the NFs) MDF2, and MDF3 play the role of NE (as
description: The Administration Function (ADMF) is responsible for establishing and managing Lawful Interception (LI). It performs target provisioning at various Network Elements using the X1 protocol and has sub-functions called the Lawful Interception Control Function (LICF) and Lawful Interception Provisioning Function (LIPF).
explanation: The text describes ADMF as a function that performs specific tasks within a network architecture related to Lawful Interception. It utilizes protocols and has sub-functions, indicating its role as a distinct component within the network.
section_title: 4.1	Overview
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