Cellular Network Infrastructure » osmo-ePDG - VoWifi Evolved Packet Data Gateway

%% state [action on entry] -(event to go to the next state)-> new state
%% state [action] (event)-> new state

%% init -(Rx LUR via GSUP)-> Wait for HSS [Tx MAR] -(Rx MAA)-> Wait for Tunnel Req [Tx LUA](Rx TunnelReq)->
%% -> Wait for PGW. t might ask us if authenticate this use. [Tx PGW Req] -(Rx PGW)-> Live [Tx Tunnel Resp]