RED HYDROGEN ONE - Manage DTMF Tones

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, tap Phone Phone icon (lower-left).
    Note If not available, swipe up from the center of a Home screen then tap Phone.
  2. Tap the Menu icon Menu icon (upper-right).
  3. Tap Settings.
  4. Tap Sounds and vibration.
  5. Tap Dialpad tone length.
  6. Select one of the following:
    • Normal
    • Long
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