Question: What is the primary purpose of the Gyn reference point in the Policy and Charging Control architecture?
Option 1: To enable offline billing for Voice over LTE (VoLTE) services
Option 2: To facilitate online credit control for charging based on ADC rules in the Traffic Detection Function (TDF)
Option 3: To manage Quality of Service (QoS) parameters between the User Equipment (UE) and the Evolved Node B (eNB)
Option 4: To provide subscriber data management between the Home Subscriber Server (HSS) and the Serving Gateway (SGW)
Explanation: The Gyn reference point is specifically defined for online credit control in scenarios using Application Detection and Control (ADC) rules-based charging within the Traffic Detection Function (TDF), ensuring real-time management of network resources and billing.