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10. Touch Tones
Your phone can generate various sounds, called Touch
Tones, when the keys are pressed.
Touch Tones can be used for many automated, over-the-
phone services such as checking bank balances, airline
arrival and departure times, and using voice mailbox op-
tions. Touch Tones can be sent only when a call is active.
What is DTMF?
Touch Tones are also known as DTMF, which means
Dual Tone Multi-Frequency, and they are generated either
manually or automatically.
Note: Individual Touch Tones can be sent manually only if
Menu 4 3 is set to
2Q
.
Touch Tone Settings
Menu 4 3, Manual DTMF Tones
This setting determines how long touch tones are pro-
duced as you press the keys on the keypad.
&RQWLQXRXV means the tone sounds for as long as you
press and hold the key.
)L[HG sets the tone length to .1 seconds, regardless of
how long you press the key.
2II turns the tones off, and no tones will be sent when you
press the keys.
The default setting for this feature is
)L[HG.
Menu 4 4, Auto DTMF Length
This feature determines the length of each Touch Tone
when they are sent automatically.
6KRUW sets the tone length to 100 ms. /RQ J sets the tone
length to 500 ms.
The default setting is
6KRUW.