title: Twilio quickstart immediately disconnects on call
body: <p>I'm following Twilio's quickstart guide, and I managed to set up a TwiML App, the Twilio Function, and the local server to handle the app (which is the part I'm interested in).</p>
  
  <p>So, the thing is, I input my own phone number in the small box, so I can try to call myself using a Twilio Phone Number, but when the call is started it is also immediately rejected. </p>
  
  <p>The events can be seen in the page as:</p>
  
  <pre><code>Successfully established call!
  Call ended.
  </code></pre>
  
  <p>Is there a trick to keep the call up?</p>