Tone signals
You can use telephone banking services or control an answering machine by sending tone signals (also known as DTMF tones or touch tones) during a call.
•To send the tones, press the keys 
- 
, 
or 
.
•To clear the screen after the call is finished, press 
.
•To turn the tones on or off during a call, press 
in standby and select Turn off tones or Turn on tones.
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