Twilio quick_start project is not working

问题

I'm following Twilio Quickstart to launch Twilio for the first time. I deployed Twilio on Heroku using this link. Giving it parameters required like twilio_account_sid, twilio_auth_token, twilio_caller_id and twilio_app_id. I created a TwiML app and entered my app URL deployed on Heroku to it and set its method to GET.

Then imported Twilio Quickstart project into Android Studio, and set TOKEN_SERVICE_URL to my application URL on Heroku. I run the application, got no error but this message on logcat Device has stopped listening for incoming connections.

I'm running the app on two devices, register one by another name and try to call it. I get Capability Token, but nothing happens. No beeb, no sound, and nothing, but when I try calling using app URL on the browser, a trial warning sound plays and I see a message saying Call Established Successfully, then ends immediately without connecting. My account has its initial credit; about $11.0.

I also see a XML Validation Warning - 12200 in Debugger on Twilio. I tried and searched a lot in four days. Please help me figure out the problem and solve it. I'm waiting for you guys.

Thanks in Advance.

Edit: Here is my body response I'm getting in Twilio debugger console:

    <!DOCTYPE html>
<html>
    <head>
        <title>Hello Client Monkey Quicker Starter'</title>
        <script type="text/javascript"
      src="//media.twiliocdn.com/sdk/js/client/v1.3/twilio.min.js"></script>
        <script type="text/javascript"
      src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js"></script>
        <link href="//static0.twilio.com/packages/quickstart/client.css"
      type="text/css" rel="stylesheet" />
        <script type="text/javascript">

    Twilio.Device.setup("eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJzY29wZSI6InNjb3BlOmNsaWVudDppbmNvbWluZz9jbGllbnROYW1lPWNoYXJsZXMgc2NvcGU6Y2xpZW50Om91dGdvaW5nP2FwcFNpZD1BUDNhYWVlYmVmYWUwMDEyZmVlZGRlOTU3N2FkYzdkNDUxJmNsaWVudE5hbWU9Y2hhcmxlcyIsImlzcyI6IkFDM2UyOGQ0OGRjOWExM2NlMzIzNjZmY2M1OTU1ZmI5OWMiLCJleHAiOjE0OTIzMjc0MzR9.WdnE5GRkM9--MRj9MZlEIjTvGb5U7XXWQj2rBDaj2uE", {debug: true});

      Twilio.Device.ready(function (device) {
        $("#log").text("Client 'charles' is ready");
      });

      Twilio.Device.error(function (error) {
        $("#log").text("Error: " + error.message);
      });

      Twilio.Device.connect(function (conn) {
        $("#log").text("Successfully established call");
      });

      Twilio.Device.disconnect(function (conn) {
        $("#log").text("Call ended");
      });

      Twilio.Device.incoming(function (conn) {
        $("#log").text("Incoming connection from " + conn.parameters.From);
        // accept the incoming connection and start two-way audio
        conn.accept();
      });

      function call() {
        // get the phone number or client to connect the call to
        params = {"PhoneNumber": $("#number").val()};
        Twilio.Device.connect(params);
      }

      function hangup() {
        Twilio.Device.disconnectAll();
      }
    </script>
    </head>
    <body>
        <button class="call" onclick="call();">
      Call
    </button>
        <button class="hangup" onclick="hangup();">
      Hangup
    </button>
        <input type="text" id="number" name="number"
      placeholder="Enter a phone number or

回答1:

Twilio developer evangelist here.

So, the problem you have is that your TwiML application is pointing to the wrong path on your application. You're currently pointing at the root path / which actually returns the front end of the application. You need to update your TwiML application to point to the URL you have deployed it at and the path /voice.

来源：https://stackoverflow.com/questions/43367898/twilio-quick-start-project-is-not-working

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