How To Use Tone system In A Sentence

• With the old touch-tone system, 75 percent of callers exited the automated system in favor of an agent.
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• We have already remarked that the current medieval theory laid down for the tone system a heptatonic diatonic scale of about two octaves with the addition of b flat in the higher octave. The Catholic Encyclopedia, Volume 12: Philip II-Reuss
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• He had met Arnold Schoenberg, who became his teacher, in the fall of 1904, but they had not yet begun to work out the twelve-tone system.
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• Mr Lopez said the touch-tone system had now been redesigned with only four options for callers following complaints that it was too complicated.
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• Their cell phones have an ‘i-mode’ which amounts to a glorified touch-tone system, where you can order a few things that are advertised on billboards.
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