---
title: On-Call Overview
type: concept
tags: [oncall, escalation]
---

# On-Call Overview

Every team keeps an on-call rotation. The escalation policy, who gets contacted
and how fast, is defined once in the [paging tiers](../policies/paging-tiers.md)
document.

Use this page to understand that on-call exists and where escalation is governed;
the concrete windows and responder levels are maintained in that policy.
