Samsung Galaxy S8 / S8+ - DTMF

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, touch and swipe up or down to display all apps.
    Note These instructions apply to Standard mode only.
  2. Tap Phone Phone icon then tap the Menu icon Menu icon (located in the upper-right).
  3. Tap Settings then tap More settings.
  4. Tap DTMF tones then tap one of the following:
    • Normal
    • Long