# MTTA

> Mean time to acknowledge: the average time from an alert being sent to a responder acknowledging it.

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

## In Pagerless

The escalation step is 5 minutes, so an unanswered page reaches the next person within about 10.

## Related terms

- [Acknowledgement](https://pagerless.dev/glossary/acknowledgement): A responder's signal that they have seen an alert and are handling it, which stops further escalation.
- [MTTR](https://pagerless.dev/glossary/mttr): Mean time to recovery (or restore, or resolve): the average time from an incident starting to service being restored