Enable or Disable Touch Tones (DTMF) for the AT&T Z331
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Enable or Disable Touch Tones (DTMF) for the AT&T Z331


Instructions

AT&T Z331 Keypad Layout


Enable/Disable DTMF tones 

  1. While on an active call, select Options.


  2. Select DTMF off or DTMF on to toggle DTMF Tones on or off.
    NOTE: It is recommended to leave this setting on.
      or 

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