Use a voice changer app or device before making the call
Open the voice changer and select a voice effect
Connect the app to your phone call if the app supports live call changing
Use a VoIP app that allows real-time voice effects
Enable the voice changer during the call if the feature is available
Adjust microphone and audio settings for better effect
Test the voice before calling to confirm it works
Follow local laws and consent rules before changing your voice on calls