Sony T39 User Manual

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During a Call

Earpiece Volume

During a call, you can change the earpiece volume by sliding the
volume key on the side of the phone.
•

Slide up to increase the volume.

•

Slide down to decrease the volume.

Microphone

During a call, you can turn off the microphone.
•

Press and hold

until Muted appears in the display.

•

Press and hold

again to resume the conversation.

Tip:

Instead of pressing and holding

, you can put the call on

hold by pressing

YES

Notepad

If you want to make a note of a phone number during a call, you can
use your phone display as a notepad. Use the number keys to enter
the number. When you end the call, the number remains in the
display. You can call the number by pressing

Y ES

Turn Off Tones
If you use the phone display as a notepad, the person you are talking
to hears the tone signals when you press the keys.

To turn the tone signals on or off

1. Press

to go to the Ongoing call menu, press

Y ES

2. Press

until

Turn off tones or Turn on tones is highlighted,

press

Y ES

Sending Touch Tone Signals

To use touch tone services such as telephone banking or controlling
an answering machine, you need to use codes. These codes are sent
as touch tone signals (also known as DTMF – Dual Tone Multiple
Frequency tones). If you press

–

and

during a call,

these numbers and characters are sent as tone signals. You can save
codes in your phone book, and during a call, you can send the codes
by pressing Find and send. See also “Touch Tone Services” on
page 40.