{
  "call": {
    "id": "call_abc123",
    "status": "completed",
    "phone_number": "+1234567890",
    "direction": "outbound",
    "start_time": "2024-01-01T12:00:00Z",
    "end_time": "2024-01-01T12:02:05Z",
    "duration": 125,
    "cost": "0.50",
    "recording_url": "https://api.example.com/recordings/call_abc123.mp3",
    "transcript": {
      "segments": [
        {
          "speaker": "ai",
          "text": "Hello, this is AI calling.",
          "timestamp": "2024-01-01T12:00:05Z",
          "confidence": 0.98
        },
        {
          "speaker": "human",
          "text": "Yes, I can hear you clearly.",
          "timestamp": "2024-01-01T12:00:08Z",
          "confidence": 0.95
        }
      ]
    },
    "analytics": {
      "sentiment": {
        "overall": "positive",
        "scores": {
          "positive": 0.8,
          "neutral": 0.2,
          "negative": 0.0
        }
      },
      "engagement": {
        "score": 0.9,
        "metrics": {
          "response_time": 1.2,
          "interruptions": 0
        }
      },
      "voice_metrics": {
        "pace": 1.0,
        "volume": 0.7,
        "clarity": 0.95
      }
    }
  }
}