The first switchboard processes the received digit, and plays the DTMF tone or triggering service on network.
第一交换台随后对该接收的数字执行操作，诸如向网络播放DTMF单音 或触发业务。
This can set a value into an associated field automatically and will accept a single word as the audio to be recognized and a DTMF tone from the phone pad.
这种方法可以自动设置关联字段的值，并且将从话筒(Phone pad)接收一个词用于语音识别，和一个dtmf音调。
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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