title: SSML phonemes work fine in Alexa service simulator but don't work on Echo hardware
body: <p>I'm creating a simple Alexa skill and want to use SSML to pronounce some non-English words properly. While everything works fine in Amazon Service Simulator, I can't get it working on actual Amazon Echo hardware.</p>
  
  <p>For example, I'm sending following response from Lambda service:</p>
  
  <pre><code>var cardTitle = "Test"
  var speechOutput = "Test 1, red stick in French is &lt;phoneme alphabet=\"ipa\" ph=\"bɑˈtɔn ˈɹuʒ\"&gt;baton rouge&lt;/phoneme&gt;"
  callback(session.attributes, buildSpeechletResponse(cardTitle, speechOutput, "", true));
  </code></pre>
  
  <p>Amazon Service Simulator shows received response as:</p>
  
  <pre><code>{
    "version": "1.0",
    "response": {
      "outputSpeech": {
        "type": "PlainText",
        "text": "Test 1, red stick in French is &lt;phoneme alphabet=\"ipa\" ph=\"bɑˈtɔn ˈɹuʒ\"&gt;baton rouge&lt;/phoneme&gt;"
      },
      "reprompt": {
        "outputSpeech": {
          "type": "PlainText",
          "text": ""
        }
      },
      "shouldEndSession": true
    },
    "sessionAttributes": {}
  }
  </code></pre>
  
  <p>If I click "<strong>Listen</strong>" in <strong>Service Simulator</strong>, the response is spelled out correctly, as <strong>Test 1, red stick in French is baton rouge</strong>.</p>
  
  <p>However, when I test the same skill on actual Echo Dot hardware the response is:
  <strong>Test 1, red stick in French is phoneme alphabet equals ipa ph equals.......</strong></p>
  
  <p>Any ideas what I'm doing wrong?</p>