What's the name of the ringtone played at the airport?

Title of the song: airport common warning tone (2 1 sec ringtone version) > singer's name: ringtone 1

The alert tone commonly used in airports (2 1 second ringtone version) is sung by the singer's cell phone ringtone 1. The total duration of the song is 00 minutes 2 1 second. This song is included in the album "Selected ringtones/short messages" released by ringtone 1 on 2017-1-29. If you think the lyrics of the commonly used alert tone (2 1 second ringtone version) at the airport are well written, please share this song with your friends.

The alert tone commonly used in airports (2 1 second ringtone version) Excuse me, there are generally four tones in the alert tone in airport broadcasting, namely Didi Didi, is it 1234 in music knowledge or Doraemon?