protected function ExecuteExternalPayOneCall($fresponse)
    {
        $oShop = TShop::GetInstance();
        $sRedirectURL = $oShop->GetLinkToSystemPage('PayOne3DSecureHelper');

        // save 3D Secure Parameter in session to load it in the helper redirect page
        $_SESSION['PayOneRedirectParams']['AcsUrl'] = $fresponse->getAcsUrl();
        $_SESSION['PayOneRedirectParams']['PaReq'] = $fresponse->getPaReq();
        $_SESSION['PayOneRedirectParams']['TermUrl'] = $fresponse->getTermUrl();
        $_SESSION['PayOneRedirectParams']['MD'] = $fresponse->getMd();

        $this->getRedirect()->redirect($sRedirectURL);
    }