Question: Which of the following modules is NOT part of the Converged Charging System (CCS)?
Option 1: Account Balance Management Function (ABMF)
Option 2: Policy Control Function (PCF)
Option 3: Rating Function (RF)
Option 4: Charging Gateway Function (CGF)
Explanation: The Converged Charging System (CCS) consists of four distinct modules, namely the CHF, the Account Balance Management Function (ABMF), the Charging Gateway Function (CGF), and the Rating Function (RF). Policy Control Function (PCF) is not mentioned as part of the CCS.