curl --request GET \
  --url https://api.example.com/v1/crm/integrations/sipuni/calls/

{
  "count": 123,
  "results": [
    {
      "id": "<string>",
      "start_time": "2023-11-07T05:31:56Z",
      "duration": 123,
      "from_number": "<string>",
      "to_number": "<string>",
      "call_type": "<string>",
      "status": "<string>",
      "recording_url": "<string>"
    }
  ],
  "next": "http://api.example.org/accounts/?page=4",
  "previous": "http://api.example.org/accounts/?page=2"
}