DTMF - Samsung Galaxy S® III

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 the home screen, select Apps (located in the lower-right).
  2. From the APPS tab, select Phone.
  3. From the Keypad tab, select Menu.
  4. Select Call settings.
  5. From the OTHER CALL SETTINGS section, select DTMF Tones.
  6. Select one of the following:
    • Normal
    • Long