Vikas Shokeen03 - VoWifi ePDG AAA and Architecture (New)Nodes Required for VoWifi Untrusted WLANSection # 1, Role of UEePDG ConsiderationsSection # 3, Role of AAAAAA Basics – Main FunctionsAAA Basics – KPI & PerformanceSection # 4, Role of PGW / HSS / IMS / PCRFRole of PGW for VoWifiRole of HSS for VoWifiRole of PCRF in VoWifiRole of IMS in VoWifi Section # 5, Improve QualityMeasure VoWifi user experienceFuture Reading & References