@Override
 protected void customizeTransferElement(Element transferElement)
     throws VoiceXmlDocumentRenderingException {
   VoiceXmlDomUtil.processDtmfRecognition(mDtmfRecognition, transferElement);
   VoiceXmlDomUtil.processSpeechRecognition(mSpeechRecognition, transferElement);
   setDurationAttribute(transferElement, CONNECT_TIMEOUT_ATTRIBUTE, mConnectTimeout);
   setAttribute(transferElement, TRANSFER_AUDIO_ATTRIBUTE, mTransferAudio);
 }