Sony Ericsson T600 User Guide - Page 9

Tone Multiple Frequency tones. If you press, Turn off tones, Hide My Number, Send as DTMF

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When you enter the number, the person at the Sending touch tone signals other end can hear the tones. You can turn the tones To use telephone banking or to control an answering off (can only be done during a call). machine, you need to use codes. These codes are sent as touch tone signals (also known as DTMF - Dual To turn the tone signals off during a call Tone Multiple Frequency tones). If you press - Not for Commercial Use 1.Press . 2. Scroll to Turn off tones and press YES. Showing and hiding your phone number You can choose to show or hide your number for a particular call, if this service is supported by your subscription. To hide or show your phone number 1. Enter the phone number you wish to call. 2. Press . 3. Scroll to Hide My Number or Show My Number and press YES to make the call. , 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, go to the phone book by pressing , find the entry in the phone book and press , and Send as DTMF. See also "Touch tone services" on page 22. Making and receiving calls 9

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Not for
C
o
mmerci
a
l
U
se
Making and receiving calls
9
When you enter the number, the person at the
other end can hear the tones. You can turn the tones
off (can only be done during a call).
To turn the tone signals off during a call
1. Press
.
2. Scroll to
Turn off tones
and press
YES
.
Showing and hiding your phone
number
You can choose to show or hide your
number for a particular call, if this service is
supported by your subscription.
To hide or show your phone number
1. Enter the phone number you wish to call.
2. Press
.
3. Scroll to
Hide My Number
or
Show My Number
and
press
YES
to make the call.
Sending touch tone signals
To use telephone banking or to control 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, go to the
phone book by pressing
, find the entry in the
phone book and press
, and
Send as DTMF
.
See also ±Touch tone services² on page 22.