In the VoLTE Call Setup failure scenario, call flow shown event B1 is sent to UE instead of event A5, resulting LTE HO will not occur. Hence, VoLTE failed. Why is that happened?
In the VoLTE Call Setup failure scenario, call flow shown event B1 is sent to UE instead of event A5, resulting LTE HO will not occur. Hence, VoLTE failed. Why is that happened?