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2025-05-15 11:04:37.439

Samsung Galaxy S8 / S8+ - Manage DTMF Tones

If you're calling into an automated system (e.g., Voicemail) from your Galaxy S8 / S8+ and your dialpad entries aren't recognized, view this info.
Dual-tone multi-frequency (DTMF) tones are used by automated dial-in systems such as voicemail or where prompts are used to navigate.
  1. Open the
    Phone app
    .
  2. Tap the
    Menu icon
     Menu icon.
  3. Navigate:
    Settings
    Other call settings
    DTMF tones
    .
  4. Tap one of the following:
    • Normal
    • Long