# Retention is several clocks · Worked example

- Write the clock next to audio, E911 recording, agent data, and a DID.
- Four clocks
- Which one offload changes
- You did not use one number for all four.

## Sources and go deeper

- [Data retention](https://www.five9.com/legal/dataretention). vendor. last checked 2026-10.
- [Enhanced 9-1-1](https://en.wikipedia.org/wiki/Enhanced_9-1-1). wikipedia. last checked 2026-10.