DTMF - Samsung Galaxy S® 4

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 Home screen Phone icon (located in the lower-left).
    Note These instructions apply to Standard mode only.
    Note If unavailable, navigate: Apps > Phone.
  2. Tap the Menu icon Menu (located at the bottom left).
  3. Tap Settings
  4. Tap Call.
  5. From the Other call settings section, tap DTMF Tones.
  6. Select one of the following:
    • Normal
    • Long
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