{
  "title": "agent-call overview",
  "schemaVersion": 39,
  "panels": [
    {"type": "stat", "title": "Active calls", "targets": [{"expr": "agent_call_active_calls"}]},
    {"type": "stat", "title": "Waiting commands", "targets": [{"expr": "agent_call_waiting_commands"}]},
    {"type": "stat", "title": "Outbox pending", "targets": [{"expr": "agent_call_outbox_pending"}]},
    {"type": "stat", "title": "Dead letters", "targets": [{"expr": "agent_call_dead_letters_total"}], "transparent": false}
  ]
}