curl --request GET \
  --url https://api.ravan.ai/api/v1/calling/call-sessions-detail/{id} \
  --header 'X-Api-Key: <api-key>'

{
  "success": true,
  "message": "<string>",
  "data": {
    "id": "<string>",
    "agent_id": "<string>",
    "agent_name": "<string>",
    "organization_id": "<string>",
    "room_id": "<string>",
    "caller_number": "<string>",
    "callee_number": "<string>",
    "channel": "<string>",
    "status": "<string>",
    "summary": "<string>",
    "metadata": {},
    "disconnect_reason": "<string>",
    "call_latency_ms": 123,
    "duration_sec": 123,
    "recording_url": "<string>",
    "cost_total": 123,
    "started_at": "<string>",
    "ended_at": "<string>",
    "transcripts": [
      {
        "id": "<string>",
        "message": {
          "role": "<string>",
          "content": "<string>"
        },
        "timestamp_ms": 123
      }
    ]
  }
}