import Telnyx from 'telnyx';

const client = new Telnyx({
  apiKey: 'My API Key',
});

const response = await client.connections.listActiveCalls('1293384261075731461');

console.log(response.data);

{
  "data": [
    {
      "call_control_id": "v3:MdI91X4lWFEs7IgbBEOT9M4AigoY08M0WWZFISt1Yw2axZ_IiE4pqg",
      "call_leg_id": "2dc6fc34-f9e0-11ea-b68e-02420a0f7768",
      "call_session_id": "2dc1b3c8-f9e0-11ea-bc5a-02420a0f7768",
      "client_state": "aGF2ZSBhIG5pY2UgZGF5ID1d",
      "call_duration": 50,
      "record_type": "call"
    }
  ],
  "meta": {
    "cursors": {
      "after": "v1:g3QAAAADZAAKdGVsbnl4X2lkc2wAAAABbQAAACRlYmRiYzdkNi1kZWRmLTExZWQtYTM3MS0wMjQyMGFlZjAwYjRqZAAJdGltZXN0YW1wbggA8Le4pGhpVxdkAAR0eXBlZAAFYWZ0ZXI=",
      "before": "v1:g3QAAAADZAAKdGVsbnl4X2lkc2wAAAABbQAAACRlYmRiYzdkNi1kZWRmLTExZWQtYTM3MS0wMjQyMGFlZjAwYjRqZAAJdGltZXN0YW1wbggA8Le4pGhpVxdkAAR0eXBlZAAFYWZ0ZXI="
    },
    "total_items": 50,
    "next": "/v2/connections/1234567890/active_calls?page[after]=v1:g3QAAAADZAAKdGVsbnl4X2lkc2wAAAABbQAAACRlYmRiYzdkNi1kZWRmLTExZWQtYTM3MS0wMjQyMGFlZjAwYjRqZAAJdGltZXN0YW1wbggA8Le4pGhpVxdkAAR0eXBlZAAFYWZ0ZXI=",
    "previous": "/v2/connections/1234567890/active_calls?page[before]=v1:g3QAAAADZAAKdGVsbnl4X2lkc2wAAAABbQAAACRlYmRiYzdkNi1kZWRmLTExZWQtYTM3MS0wMjQyMGFlZjAwYjRqZAAJdGltZXN0YW1wbggA8Le4pGhpVxdkAAR0eXBlZAAFYWZ0ZXI="
  }
}