}

    public void setTelephoneNumber(String value) {
        registerModifiedProperty("telephoneNumber");
        this.telephoneNumber = value;
    }

    public String getTeletexTerminalIdentifier() {
        checkSpecifiedProperty("teletexTerminalIdentifier");
        return convertEmptyToNull(teletexTerminalIdentifier);
    }

    public void setTeletexTerminalIdentifier(String value) {

        final String attrTeletexTerminalIdentifier = fessConfig.getLdapAttrTeletexTerminalIdentifier();
        OptionalUtil.ofNullable(user.getTeletexTerminalIdentifier()).filter(StringUtil::isNotBlank)
                .ifPresent(s -> modifyReplaceEntry(modifyList, attrTeletexTerminalIdentifier, s))

        setupEpg(_epgMap, et -> ((User) et).getTelephoneNumber(), (et, vl) -> ((User) et).setTelephoneNumber(DfTypeUtil.toString(vl)),
                "telephoneNumber");
        setupEpg(_epgMap, et -> ((User) et).getTeletexTerminalIdentifier(),
                (et, vl) -> ((User) et).setTeletexTerminalIdentifier(DfTypeUtil.toString(vl)), "teletexTerminalIdentifier");