Session Status

Due to inactivity, your session will end in approximately 2 minutes. Extend your session by clicking OK below.

Due to inactivity, your session has expired. Please sign in again to continue.

Samsung Galaxy S21 FE 5G - Manage DTMF Tones

2026-10-22 19:05:16.481

Samsung Galaxy S21 FE 5G - Manage DTMF Tones

If you're calling into an automated system from your Galaxy S21 FE 5G and your dialpad entries aren't recognized, view this.
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 the
    Phone icon
     Phone icon (lower-left).
    If unavailable, swipe up from the center of the display then tap
    Phone
    .
  2. Tap the
    Menu icon
     Menu icon (upper-right) then tap
    Settings
    .
  3. Tap
    Other call settings
    .
  4. Tap
    DTMF tones
    .
  5. Select one of the following:
    • Normal
    • Long