Which statement describes what occurs with a UE in an active Voice over LTE call being handed over successfully from the 4G LTE network to the 3G network via enhanced SR-VCC technology?
A. The voice call is interrupted and reconnected during the hand-over.
B. The voice call must be handed over to Voice over HSPA in 3G network.
C. The voice call uses a circuit-switched connection in the 3G network.
D. The voice call is handed back to 4G Voice over LTE when coverage is back.
