event EventHandler<VoIPEventArgs<SessionState>> SessionStateChanged

Event SessionStateChanged As EventHandler(Of VoIPEventArgs(Of SessionState))

 event EventHandler<VoIPEventArgs<SessionState>^>^ SessionStateChanged {
	void add (EventHandler<VoIPEventArgs<SessionState>^>^ value);
	void remove (EventHandler<VoIPEventArgs<SessionState>^>^ value);
}