I want to understand which are the major EPC nodes involve with VoLTE Charging.
Staring from UE till IMS network.
Basically I want to know end-to-end Flow for VoLTE Charging which involves various Diameter Interface.
Does Gy interface has any role to play,if Yes,why? If No, Why?
It will be very helpful with some arrow diagrams involving the diameter interfaces without any message details.