DTMF - Casio G'zOne Commando® (C771)

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 the applications tab.
    Home screen with applications tab
  2. Select Settings.
    Applications with Settings
  3. Select Call settings.
    Settings with Call settings
  4. From the Other call settings section, select DTMF Tones.
    Call settings with DTMF Tones
  5. Select an option.
    • Normal
    • Long
    DTMF Tones with available settings