Question: In a Policy and Charging Control (PCC) context, using the Rx reference point, what does the IMS-Content-Type AVP with a value of "2" signify about the AF session?
Option 1: File Transfer Protocol (FTP) Service
Option 2: Voice over LTE (VoLTE) Call
Option 3: Multimedia Messaging Service (MMS)
Option 4: 3-Party (3PTY) Conference Service
Explanation: The IMS-Content-Type AVP indicates the type of IMS communication service an AF session refers to. A value of "2" specifically signifies a 3-Party (3PTY) conference, involving more than two participants in a single call, relevant for managing policy and charging in telecom networks.