DTMF - Samsung Galaxy S9 / S9+

Note 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 Phone icon (lower-left).
    Note If not available, swipe up or down from the center of the display then tap Phone Phone icon.
  2. Tap the Menu icon Menu icon (upper-right) then tap Settings.
  3. From the Call settings section, tap More settings.
  4. From the Other call settings section, tap DTMF tones
  5. Select one of the following:
    • Normal
    • Long