name: BCF
full_form: Bearer Charging Function
context: Figure 6-2 shows an example message flow for the tariff request operation. The scenario describes the case where the BCF invokes the tariffRequest operation. NOTE 1: The BCF receives an online charging request referring to an MS's bearer usage. NOTE 2: The BCF requests account and counter information for the subscriber from the Account Balance Management Function. Upon receipt of this data, NOTE 3: it requests tariff information applicable for this bearer. NOTE 4: The Rating Function retrieves the appropriate tariff to be applied for the bearer. NOTE 5: The Rating Function returns the tariff information to the BCF. NOTE 6: Based on the received tariff information, the BCF performs rating, i.e. determine the unit price. NOTE 7: The BCF continues bearer charging and performs account control. NOTE 8: It returns the granted units to the requesting network element. NOTE 9: The granted units are used and a new request is send to the BCF. NOTE 10: This time the BCF can directly perform the
description: The Bearer Charging Function (BCF) is responsible for managing bearer charging, including rating, account control, and granting units for network elements. It interacts with other functions such as the Account Balance Management Function and the Rating Function to perform its tasks.
explanation: BCF is classified as a Network Function because it controls and manages bearer usage within the network, interacts with other network functions, and performs rating and account control operations.
section_title: 6.1.2Scenario with tariffRequest operation
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