Samsung Galaxy S8 / S8+ - Manage DTMF Tones

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 and the default Home screen layout.
  2. Tap Phone Phone icon then tap the Menu icon Menu icon (upper-right).
  3. Tap Settings then tap Other call settings.
  4. Tap DTMF tones then tap one of the following:
    • Normal
    • Long
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