public void addPhoneToEmployee(int employeeId, Phone phone)
	{
		Employee employee = lookupService(EMP_SRV, EmployeeService.class).findEmployeeById(employeeId);
		
		if (employee == null)
			throw new ServiceException("Employee with id " + employeeId + " not found");
		
		try
		{
			begin();
			employee.addPhone(phone);
			commit();
		}
		catch(PersistenceException e)
		{
			e.printStackTrace();
			manager.getTransaction().rollback();
			throw e;
		}
	}