List user call detail records

Example response

{
  "count": 100,
  "items": [
    {
      "id": "NzAwNTUxOTA5NzczMTQ4MTYw",
      "started_at": "2017-07-21T17:32:28Z",
      "rang_at": "2017-07-21T17:32:28Z",
      "answered_at": "2017-07-21T17:32:28Z",
      "ended_at": "2017-07-21T17:32:28Z"
    }
  ]
}