Sony T300 - Manual (Page 38)

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40 Calling
another network, provided your network operator has
an agreement that allows you to do so. This is called
roaming.
You can select the network you want to use, or you
can add a network to your list of preferred networks.
You can also change the order in which networks are
selected during an automatic search. For all such
options, scroll to Connect,
YES , GSM Networks, YES .
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 0-9, and .
• To clear the display after a call, press 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
, select Turn off tones, YES . When you end the
call, the number remains in the display. You can then
call the number by pressing
YES .
Showing or hiding your number
If your subscription supports the Calling Line
Identification Restriction (CLIR) service, 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.
2. Scroll to Calls,
YES , Next call, YES .
3. Select Hide my number or Show my numb. and press
YES to make the call.