# Call analysis is not a guarantee

- Call analysis and voice detection level are defaulted campaign fields. Product pages also list answering-machine detection and automatic voicemail as agent-efficiency tools. None of those pages give you a percent accuracy you can put in a contract.
- A live person marked as a machine is a silent failure: the agent never hears them, or a voicemail template talks to a human. Treat detection as a tuned setting with a monitoring report, not as a fact about the callee.
- Treat detection as a tuned field
- Do not quote a fake accuracy

## Sources and go deeper

- [Default campaign settings](https://documentation.five9.com/bundle/campaign-admin/page/campaign-admin/configuring-campaigns/configuring-dialing-modes/default-campaign-settings.htm). vendor. last checked 2026-10.
- [Outbound product page](https://www.five9.com/products/capabilities/outbound-contact-center). vendor. last checked 2026-10.