Manage DTMF Tones - HTC One®

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 a Home screen, navigate: Apps Apps icon > Settings.
    Note If unavailable, tap the Apps dropdown menu Apps dropdown menu icon (located in the upper-left) then tap Alphabetical. If still unavailable, refer to Manage App Icons.
  2. Tap Sound & notification.
  3. Tap Keypad touch tones.
    Note Ensure Sound profile (located at the top) is set to "Normal".
  4. Select one of the following:
    • Long tones
    • Short tones
    • Off