{
"stats": [
{
"call_id": "string",
"org_id": "string",
"campaign_id": "string",
"phone_number": "string",
"status": "HOLD_QUEUE_MONITOR_STATUS_UNSPECIFIED",
"monitor_duration_millis": 0,
"monitor_start_time": "1s",
"monitor_end_time": "1s"
}
],
"total_num_calls": 0,
"total_num_successful": 0,
"total_num_failed": 0,
"avg_monitor_duration_ms": 0,
"total_num_monitoring": 0
}