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MP3 다운로드 
Place it at the start of a missed-call scene, then follow it with the bell ding for the moment someone finally answers, and keep the classic error sound for the punchline when they still hang up.
이 사운드에 대해
This is a short, loud ringing sound that repeats insistently for just under four seconds, like a phone or alarm bell that will not stop. It feels urgent, jarring and hard to ignore, the kind of noise that makes everyone in the room look up at once. It works best as a sudden interruption, cutting through quiet with a sharp, persistent ring.
