Place it as the closing reply after building a quick missed-call sequence in your edit. Start with the WhatsApp message sound to set up the incoming contact, then let this clip deliver the refusal with nothing after it.
À propos de ce son
This is a 13.6-second Portuguese voice clip built around the phrase 'me liga não', meaning don't call me. The delivery feels blunt and fed up, like a final warning after too many unwanted calls, which makes the rejection land as both annoyed and funny for anyone who has been pestered the same way.