Voximplant ASR + API.ai NLP

voxbot.js

// Enable ASR module for speech recognition capabilities
require(Modules.ASR);

var call, asr,
	baseURL = "https://api.api.ai/v1/",
	accessToken = "PUT YOUR API.AI ACCESS TOKEN HERE",
    nlp_result;

// Inbound call arrives
VoxEngine.addEventListener(AppEvents.CallAlerting, function (e) {
	call = e.call;
	call.addEventListener(CallEvents.Connected, handleCallConnected);
	call.addEventListener(CallEvents.Disconnected, VoxEngine.terminate);
	call.answer();
});

// Play intro after the call connected
function handleCallConnected(e) {
	setTimeout(function (e) {
		call.say("Hi! Voximplant bot at your service, what do you want to know?", Language.US_ENGLISH_FEMALE);
		call.addEventListener(CallEvents.PlaybackFinished, handleIntroPlayed);
	}, 500);
}

// Setup and enable real-time speech recognition
function handleIntroPlayed(e) {
	call.removeEventListener(CallEvents.PlaybackFinished);
  	// Freeform recognition, language - US English
	asr = VoxEngine.createASR({
		lang: ASRLanguage.ENGLISH_US
	});
  	// Add events handlers
	asr.addEventListener(ASREvents.Result, handleResult);
	asr.addEventListener(ASREvents.CaptureStarted, function (asrevent) {
		call.stopPlayback();
	});
  	// Send call audio to recognition engine
	call.sendMediaTo(asr);
}

// Handle recognition result
function handleResult(e) {
  	asr.stop();
	Logger.write("RESULT: " + e.text);
	Logger.write("CONFIDENCE: " + e.confidence);
  	// Send text to API.ai for NLP
	var url = baseURL + "query?query=" + encodeURIComponent(e.text) + "&sessionId=1" +
		"&lang=en";
	var opts = {
		headers: ["Content-Type: application/json;charset=utf-8", "Authorization: bearer " + accessToken]
	};
	Net.httpRequest(url, handleHttp, opts);
}

// Handle API.ai processing result
function handleHttp(e) {
	Logger.write(e.code);
	Logger.write(JSON.stringify(e.text));

	if (e.code == 200) {
		var res = JSON.parse(e.text);
		if (res.result.metadata.intentName == "FoundersIntent") {
          	nlp_result = res.result.parameters.any;
			//call.say("Ok, checking the info about founders of " + nlp_result, Language.US_ENGLISH_FEMALE);
          	// Use recognized company name to find founders info at Wikipedia 
          	WikiInfobox(nlp_result, "en", handleWikiParserResult);
        } else {
          // No API.ai intents for the request
          call.say("I couldn't understand what you asked about, I can tell only about founders of different companies", Language.US_ENGLISH_FEMALE);
          call.addEventListener(CallEvents.PlaybackFinished, function() {
            call.removeEventListener(CallEvents.PlaybackFinished);
            handleIntroPlayed();
          });
        }
	} else {
      	// HTTP error - play Oops message
		playOops();
	}
}

// Handle X-wiki parser result 
function handleWikiParserResult(err, data) {
  if (err) playOops();
  else {
    Logger.write(JSON.stringify(data)); 
    var founders_raw, founders = [];
    // Some black magic , no strict rules for Wikipedia infobox, should work for most of the cases
    if (data.founder !== undefined) {
      if (Array.isArray(data.founder)) founders_raw = data.founder;
      else founders_raw = [ data.founder ];      
    } else if (data.founders !== undefined) {      
      if (Array.isArray(data.founders)) founders_raw = data.founders; 
      else founders_raw = [ data.founders ];      
    }
    else {      
      // No info found
      call.say("I couldn't find the info", Language.US_ENGLISH_FEMALE);
      call.addEventListener(CallEvents.PlaybackFinished, function() {
        call.removeEventListener(CallEvents.PlaybackFinished);
        handleIntroPlayed();
      });
      return;
    }
    // Creating the text for TTS
    var founders_text = " ";
    for (var z=0;z < founders_raw.length; z++) {
      if (founders_raw[z].type == "link") founders.push(founders_raw[z]);
      else if (founders_raw[z].value !== undefined && 
               founders_raw[z].value.indexOf("{") == -1 && 
               founders_raw[z].value.indexOf("}") == -1 &&
               founders_raw[z].value.indexOf("|") == -1 &&
               founders_raw[z].value.indexOf("*") == -1) founders.push({ text: founders_raw[z].value });
    }
    for (var i=0;i < founders.length;i++) {
       founders_text += founders[i].text + (i!=founders.length?", ":"");
    }
    // Voila!
    if (founders.length == 1) call.say("The founder of " + nlp_result + " is" + founders_text);
    else call.say("The founders of " + nlp_result + " are" + (founders.length==2?founders_text.replace(","," and"):founders_text));
    call.addEventListener(CallEvents.PlaybackFinished, function() {
      call.removeEventListener(CallEvents.PlaybackFinished);
      handleIntroPlayed();
    });
  }
}

// Play Ooops message if something went wrong
function playOops() {
	call.say("Oops! Sorry, I couldn't handle the request, please try again", Language.US_ENGLISH_FEMALE);
	call.addEventListener(CallEvents.PlaybackFinished, function (e) {
		call.removeEventListener(CallEvents.PlaybackFinished); 
      	handleIntroPlayed();
	});
}

Is it possible to make voice recognition in conference? I try but I can't do it.