Many Android phones let you record calls via the built-in Phone app (Android 9+), where available. Alternatives include ...

The feature is called Screen Recording Tool, and as might be obvious, the feature allows T-Life to record your phone's display, though only for the time that you're in the app.

How to Record a Phone Call on Android For Android devices, the Google Help website outlines simple steps to capture a call from unknown numbers and select contacts.