Question: In an IMS network with Service Continuity, when Advice of Charge (AOC) service is active for a User Equipment (UE) with multiple Access Legs, what is the behavior of the Service Centralization and Continuity (SCC) Application Server (AS) regarding charging information delivery?
Option 1: The SCC AS delivers charging information only over the primary Access Leg designated by the UE.
Option 2: The SCC AS may deliver charging information during communication to the UE over any of the available Access Legs.
Option 3: The SCC AS aggregates all charging information and delivers it solely when all Access Legs are simultaneously active.
Option 4: Delivery of charging information by the SCC AS is suspended until the UE consolidates to a single Access Leg.
Explanation: This correct answer reflects the capability of the SCC AS to utilize any available Access Leg for delivering charging updates when the AOC service is active, ensuring flexibility and reliability in informing the UE about its charging status across multiple access points. This behavior supports seamless service continuity and accurate billing information dissemination, irrespective of the UE's dynamic access configurations.