Grabar una llamada con audio dividido

const Express = require('express');
const bodyParser = require('body-parser');

const app = new Express();
app.use(bodyParser.json());

const onInboundCall = (request, response) => {
  const ncco = [
    {
      action: 'record',
      split: 'conversation',
      channels: 2,
      eventUrl: [`${request.protocol}://${request.get('host')}/webhooks/recordings`],
    },
    {
      action: 'connect',
      from: VONAGE_VIRTUAL_NUMBER,
      endpoint: [
        {
          type: 'phone',
          number: VOICE_TO_NUMBER,
        },
      ],
    },
  ];
  response.json(ncco);
};

const onRecording = (request, response) => {
  const recording_url = request.body.recording_url;
  console.log(`Recording URL = ${recording_url}`);

  response.status(204).send();
};

app
  .get('/webhooks/answer', onInboundCall)
  .post('/webhooks/recordings', onRecording);

app.listen(port, () => {
  console.log(`Example app listening on port ${port}`);
});

/*
 * Route to answer and connect incoming calls with recording.
 */
Route answerRoute = (req, res) -> {
    String recordingUrl = String.format("%s://%s/webhooks/recordings", req.scheme(), req.host());

    RecordAction record = RecordAction.builder()
            .eventUrl(recordingUrl)
            .channels(2)
            .build();

    ConnectAction connect = ConnectAction.builder(PhoneEndpoint.builder(VOICE_TO_NUMBER).build())
            .from(VONAGE_VIRTUAL_NUMBER).build();

    res.type("application/json");

    return new Ncco(record, connect);
};

/*
 * Route which prints out the recording URL it is given to stdout.
 */
Route recordingRoute = (req, res) -> {
    System.out.println(EventWebhook.fromJson(req.body()).getRecordingUrl());

    res.status(204);
    return "";
};

Spark.port(3000);
Spark.get("/webhooks/answer", answerRoute);
Spark.post("/webhooks/recordings", recordingRoute);

require 'dotenv/load'
require 'sinatra'
require 'sinatra/multi_route'
require 'json'

VOICE_TO_NUMBER = ENV['VOICE_TO_NUMBER']
VONAGE_VIRTUAL_NUMBER = ENV['VONAGE_VIRTUAL_NUMBER']

before do
  content_type :json
end

helpers do
  def parsed_body
    JSON.parse(request.body.read)
  end
end

route :get, :post, '/webhooks/answer' do
  [
    {
      "action": "record",
      "split": "conversation",
      "channels": 2,
      "eventUrl": ["#{request.base_url}/webhooks/recordings"]
    },
    {
      "action": "connect",
      "from": VONAGE_VIRTUAL_NUMBER,
      "endpoint": [
        {
          "type": "phone",
          "number": VOICE_TO_NUMBER
        }
      ]
    }
  ].to_json
end

route :get, :post, '/webhooks/recordings' do
  recording_url = params['recording_url'] || parsed_body['recording_url']
  puts "Recording URL = #{recording_url}"

  halt 204
end

set :port, 3000