checkMaxLines(phoneId);
    public void addLine(IRequestCycle cycle) {        Object[] params = cycle.getServiceParameters();        Integer phoneId = (Integer) TapestryUtils.assertParameter(Integer.class, params, 0);        AddPhoneUser page = (AddPhoneUser) cycle.getPage(AddPhoneUser.PAGE);        page.setPhoneId(phoneId);        cycle.activate(page);    }