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| Both sides previous revisionPrevious revisionNext revision | Previous revision | ||
| en:faq:how_to_choose_dtmf_mode [2014/05/05 02:06] – [dtmf在系统中的作用] solo | en:faq:how_to_choose_dtmf_mode [2014/05/05 02:11] (current) – [What is DTMF] solo | ||
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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) is the signal to the phone company that you generate when you press an ordinary telephone' |
| ===== What's DTMF for ===== | ===== What's DTMF for ===== | ||
| - | DTMF (dual tone multi frequency) is the signal to the phone company that you generate when you press an ordinary telephone' | + | Without correct DTMF, a IVR could not understand what's customer input. |
| ===== Set DTMF ===== | ===== Set DTMF ===== | ||
| Usually we just need to make sure it's using correct dtmfmode in the trunk. The option is | Usually we just need to make sure it's using correct dtmfmode in the trunk. The option is | ||
