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DTMF - Sound of Dialing Keypad

價格:免費

更新日期:2018-08-13

檔案大小:5 MB

目前版本:1.3

版本需求:需要 iOS 10.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。

支援語言:英語

DTMF - Sound of Dialing Keypad(圖1)-速報App

You know the beeps when you are dialing a number.

DTMF - Sound of Dialing Keypad(圖2)-速報App

But do you know the beeps are identical?

DTMF - Sound of Dialing Keypad(圖3)-速報App

You can learn what numbers the beeps refer to by using this app.

支援平台:iPhone