Recibir una llamada entrante

const Express = require('express');

const app = new Express();

const onInboundCall = (request, response) => {
  const from = request.query.from;
  const fromSplitIntoCharacters = from.split('').join(' ');

  const ncco = [
    {
      action: 'talk',
      text: `Thank you for calling from ${fromSplitIntoCharacters}`,
    },
  ];

  response.json(ncco);
};

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

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

embeddedServer(Netty, port = 8000) {
    routing {
        get("/webhooks/answer") {
            val from = call.request.queryParameters["from"]?.replace("", "")
            call.response.header("Content-Type", "application/json")
            call.respond(
                Ncco(
                    talkAction("Thank you for calling from $from")
                ).toJson()
            )
        }
    }
}.start(wait = true)

/*
 * Route to answer incoming call.
 */
Route answerRoute = (req, res) -> {
    String from = req.queryParams("from").replace("", " ");
    TalkAction message = TalkAction
            .builder(String.format("Thank you for calling from %s", from))
            .build();

    res.type("application/json");

    return new Ncco(message).toJson();
};

/*
 * Route to print out call event info.
 */
Route eventRoute = (req, res) -> {
    System.out.println(req.body());
    return "";
};

Spark.port(3000);
Spark.get("/webhooks/answer", answerRoute);
Spark.post("/webhooks/events", eventRoute);

require 'sinatra'
require 'sinatra/multi_route'
require 'json'

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

before do
  content_type :json
end

route :get, :post, '/webhooks/answer' do
  from = params['from'] || parsed_body['from']
  from_split_into_characters = from.split('').join(' ')

  [{
    action: 'talk',
    text: "Thank you for calling from #{from_split_into_characters}"
  }].to_json
end

set :port, 3000