BiTel

ClientItem phoneClientItem = new ClientItem();
List<String> phoneList = phoneClientItem.getClientNumbers();

package ru.neocom;

import java.sql.SQLException;
import java.util.List;

import org.w3c.dom.Element;

import ru.bitel.bgbilling.common.BGException;
import bitel.billing.server.phone.bean.ClientItem;

public class Balance extends bitel.billing.server.ActionBase

{
   @Override
   public void doAction() throws SQLException, BGException {

      ClientItem phoneClientItem = new ClientItem();

      List<String> phoneList = phoneClientItem.getClientNumbers();

      Element table = createElement(rootNode, "Info");
      Element element = createElement(table, "Inforow");
      element.setAttribute("cid", String.valueOf(cid));
      element.setAttribute("Test", String.valueOf(phoneList.get(0)));

   }

}

import bitel.billing.server.phone.bean.ClientItemManager;
import bitel.billing.server.phone.bean.ClientItem;
import java.sql.Connection;
...

int cid = код_договора;
int phone_mid = код_модуля_phone;
Connection connection = экземпляр_соединения_с_БД;
ClientItemManager itemManager= new ClientItemManager( connection, phone_mid );
List<ClientItem> itemList = itemManager.getItemList( int cid );
for( ClientItem item : itemList )
{
     List<String> phoneList = item.getClientNumbers();
     .....
}