iPhone app DTMF Dialler

This app is a DTMF Dialler.

When you want to make a call with fixed-line telephone,

you can use a iPhones contact list.

You set a phone number, then play back the DTMF tones.
A push-button telephone hear the tones, picks up and calls to the number.

The app supports signals that 0-9, A-D, #, *, and pause (,).

New: You can remove a playing history.

New: Fixed a bug that this app hangs when tap a button.

Warning: For push-button telephones only.

Warning: May not be used in some push-button telephones.

Warning: Unavailable for built-in speaker of the iPod touch.
In iPod touch, external speaker is required.

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This app has 4 modes.

By sliding the screen, you can switch the mode.

PLAY TONE MODE

Using iPhones contact list or This apps Recents list, play back DTMF tones.

You can attach prefix to a phone number.

BIG BUTTON MODE

Because this modes play button is big, You can press the button easily while put iPhones speaker to the handset of telephone.

MOBILE PHONE MODE

When want to make a call with mobile phone lines, you use this mode.

By sliding the screen, you can easy to switch this mode from other modes.

ENGINEER MODE

In this mode, you can also play tones A, B, C, and D in addition to 0-9, *, #, pause (,).

In this mode, you can adjust tone duration and pause duration.,

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