{
  "dial": {
    "action": "http://example.com",
    "callerId": "+1312888899",
    "target": [
      {
        "type": "phone",
        "number": "+15083084809"
      }
    ],
    "transcribe": {
      "action": "http://example.com/transcribe",
      "recognizer": {
        "vendor": "google",
        "language" : "en-US",
        "mixType" : "stereo",
        "interim": true
      }
    }
  }
}