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en:faq:how_to_choose_dtmf_mode [2014/05/05 02:11]
solo [What's DTMF for]
en:faq:how_to_choose_dtmf_mode [2017/12/12 03:05] (current)
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 ====== How to choose dtmf mode ====== ====== How to choose dtmf mode ======
 ===== What is DTMF ===== ===== What is DTMF =====
-双音多频 ​DTMF(Dual Tone Multi Frequency),双音多频,由高频群和低频群组成,高低频群各包含4个频率。一个高频信号和一个低频信号叠加组成一个组合信号,代表一个数字。DTMF信号有16个编码。利用DTMF信令可选择呼叫相应的对讲机。 +DTMF (dual tone multi frequency) is the signal to the phone company that you generate when you press an ordinary telephone'​s touch keys. 
 ===== What's DTMF for ===== ===== What's DTMF for =====
 Without correct DTMF, a IVR could not understand what's customer input. Without correct DTMF, a IVR could not understand what's customer input.
en/faq/how_to_choose_dtmf_mode.txt · Last modified: 2017/12/12 03:05 (external edit)
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