DTMF Dialler

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. ---- 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.