Sprint Nextel J23OI - Manual (Page 31)

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Additional calling functions
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 and clear tones
• Press the number keys - , and .
• To clear the display after a call }
NO .
Notepad
You can use the phone to make a note of a phone number
during a call. When you press the number keys, the person
you are talking to hears tone signals. To turn these tone
signals off during the call, press } Turn off tones } YES .
When you end the call, the number remains in the display.
To call the number } YES .
Showing or hiding your number
If your subscription supports CLIR (Calling Line Identification
Restriction), you can hide your phone number when making
a call.
To show or hide your phone number
1
Enter the phone number you want to call, press .
2 } Hide my number or Show my numb. }
YES .
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