Your phone settings are currently set to indicate that you do not have touch tone service.

您的电话当前设置表明您不具有双音频电话服务。

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DTMF enables callers to use the touch tone keys on their telephones to respond to user prompts and selections.

DTMF可以使调用者通过触击他们电话上的音调键来对用户提示和选择做出响应。

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Once physically wired together, the 7-segment display will light up the number associated with the touch-tone you activate with the DIP switch.

将它们连接在一起后，7字段显示屏会显示与DIP开关激活的按键音相对应的数字。

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In 1973 he cofounded Mitel, which pioneered electronic switching systems that allowed for operator-free PBXs and touch-tone phone sets.

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"Our tools will enable touch-tone developers to change into spoken language developers, " said Rick Barchard, director of marketing for Unysis Natural Language, in Malvern, Pa.

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Coda has added two-tone leather seats, which is a nice touch to an interior that needed brightening up.

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