This app is a DTMF Dialler.

When you want to make a call with fixed-line telephone,
you can use a iPhone's 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 iPhone's contact list or This app's Recents list, play back DTMF tones.

You can attach prefix to a phone number.


■ BIG BUTTON MODE

Because this mode's play button is big, You can press the button easily while put iPhone's 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.