# Paging

> Interrupting a person to demand attention now, usually by push notification, phone call or SMS, named after the pagers on-call engineers once carried.

URL: https://pagerless.dev/glossary/paging
Updated: 2026-10-22

## In Pagerless

Called wake: push first, then a phone call through your own Twilio account.

## Related terms

- [On call](https://pagerless.dev/glossary/on-call): Being the person responsible for responding when a production system breaks during a set period, including outside working hours.
- [Alert fatigue](https://pagerless.dev/glossary/alert-fatigue): When responders receive so many alerts, many not actionable, that they start ignoring or muting them and miss the ones that matter.