CallList::getItemsCount

public function getItemsCount($statusId = null)
{
	if($this->itemsLoaded && is_null($statusId))
	{
		$result = count($this->items);
	}
	else
	{
		$filter = array(
			'LIST_ID' => $this->id
		);
		if(!is_null($statusId))
		{
			$filter['STATUS_ID'] = $statusId;
		}

		$row = CallListItemTable::getList(array(
			'select' => array('CNT'),
			'filter' => $filter
		))->fetch();
		$result = $row['CNT'];
	}
	return $result;
}