Use the built-in Call Recording feature (if available on your carrier/region)
Open Settings
Search for “Call Recording”
Enable Call Recording (if you see the option)
Start a call
Tap “Record” during the call (if shown)
Stop recording by tapping “Stop” (if shown)
Check the recording in the Phone app or in the location shown by your carrier/feature
Use a third-party call recording app (if available in your region)
Download and install the app from the App Store
Follow the app’s setup steps and permissions
Start the call using the app’s workflow (as required by the app)
Save the recording within the app
Use a separate recording device or app for the audio (if legal where you are)
Put the iPhone on speaker
Record using another device or another iPhone app
Save the audio file on completion