SettingSet currentSettingSet = (SettingSet) root.getDefaultSetting(SettingSet.class);
SettingSet currentSettingSet = (SettingSet) root.getSetting("SIP_Params");
    public void testGetSettings() throws Exception {        Setting settings = m_gateway.getSettings();        assertEquals("15", settings.getSetting("SIP_Params/MAXDIGITS").getValue());        assertTrue(settings instanceof SettingSet);        SettingSet root = (SettingSet) settings;        SettingSet currentSettingSet = (SettingSet) root.getDefaultSetting(SettingSet.class);        assertEquals("15", currentSettingSet.getSetting("MAXDIGITS").getValue());    }