DTMF - Samsung Galaxy S® 4 mini

If you're calling into an automated dial-in system (e.g., voicemail) and your dialpad entries aren't being recognized, view this info.

Note Dual-tone multi-frequency (DTMF) tones are used by automated dial-in systems such as voicemail or where prompts are used to navigate.

  1. From a home screen, tap Phone (located in the lower-left).
    Note If not available, navigate Apps > Phone.
  2. From the "Keypad" tab (located in the upper-left), tap Menu Menu (located in the lower-left; below the display).
  3. Tap Call Settings.
  4. From the "Other call settings" section, tap DTMF tones.
  5. Select one of the following:
    • Normal
    • Long
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