name: FN-RG
full_form: Fixed Network Residential Gateway
context: The following figure 5.2.2.16.3.1 describes charging when FN-RG requests a PDU session establishment via W-AGF. As described in clause 7.3.4 in TS 23.316 [203], after the registration procedure is completed, the W-AGF may establish PDU session(s) on behalf of the FN-RG. Figure 5.2.2.16.3.1: charging when FN-RG requests a PDU session establishment via W-AGF 1) After the registration procedure is completed, the W-AGF may establish PDU session(s) on behalf of the FN-RG as described in clause 7.3.4 in TS 23.316 [203]. 2) The steps are specified as step 2-9 in clause 4.3.2.2.1 of TS 23.502 [202]. 3ch-a. The SMF creates a Charging Identifier for the PDU session and sends Charging Data Request [Initial] to CHF for authorization for the subscriber identified under wireline network to start the PDU session which is triggered by start of PDU session charging event. 3ch-b. The CHF opens CDR for this PDU session. 3ch-c. The CHF acknowledges by sending Charging Data Response [Initial] to the SMF.
description: The Fixed Network Residential Gateway (FN-RG) manages residential connections and requests PDU session establishments via the W-AGF. It plays a crucial role in charging and billing for wireline networks.
explanation: FN-RG is classified as a Network Function because it acts as an intermediary between the residential network and the W-AGF, managing PDU sessions and triggering charging events.
section_title: 5.2.2.16.3FN-RG related PDU Session Establishment via W-5GAN
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biotag_Description: O,B-Network Function,I-Network Function,I-Network Function,I-Network Function,O,O,O,O,O,O,B-Connection,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O