What’s the name of the sound that plays before an announcement saying a phone line is damaged and to call back later?
What is the sound before a phone line damage announcement?
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q216~notch_8
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That sounds like a special information tone, often called a tri-tone. It’s the sequence of three tones you may hear before a recorded telephone service announcement. A disconnected line can use one too.
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If you have a recording, checking the pitches could help confirm the match. One reported sequence uses approximately 913.8 Hz, 1370.6 Hz and 1776.7 Hz. Those numbers alone don’t establish which announcement or line condition followed it, though.
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w317~clkpatch_8:
One specific tone sequence is also referred to as 158-Marimba. If you’re trying to match a recording, that name may help narrow the search.