public IvrZoneset showActiveIvrZoneset() throws NetworkDeviceControllerException {
  List<IvrZoneset> zonesets=showIvrZonesets(true);
  return zonesets.isEmpty() ? null : zonesets.get(0);
}

public IvrZoneset showActiveIvrZoneset ( ) throws NetworkDeviceControllerException { List < IvrZoneset > zonesets = showIvrZonesets ( true ) ; return zonesets . isEmpty ( ) ? null : zonesets . get ( 0 ) ; }
collect the active ivr zoneset , and its zones , members
