Sonim XP5 - 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 the main screen, press the Phone button Phone button.
  2. Press the right button on the 5-way navigation pad to select phone dialer Phone dialer.
  3. Press the Menu button Menu button.
  4. Select DMTF.
    Note Utilize the 5-way navigation pad to highlight and the center button to select.
  5. Press the Center button on the 5-way navigation to select one of the following:
    • Normal
    • Long
  6. Press the Red phone button Red phone button to save & exit.
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