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Sending DTMF signals from the Phone Book
You can send DTMF (Dual Tone Multiple
Frequency) signals to access electronic services
(such as telephone banking) when dialing
numbers from the Phone Book. Dual Tone
Multiple Frequency is also known as "touch-
tone." A tone is generated when you press a
telephone button (number, #, or
to access answering machines, pagers, telephone
banking services, data services, and other
electronic services.
1
During a call, search for the Phone Book
entry that contains the numbers you want
to send.
The selected entry is displayed. Use the Directory
menu to search for the Phone Book entry (see pages 47
and 48).
2
Push
.
The Options menu appears.
3
Turn
to select "Number Tone," then
push
.
A DTMF signal, containing the entered digits, is sent in
a burst.
If you try to send a DTMF signal in standby mode
The following message is displayed. You can send a DTMF
signal only during a call.
Notes
• To enter and send numbers one by one during a call, use the number buttons to send the
DTMF number.
• To change the length of the DTMF transmission, see "Setting the keybeep length" on page 41.
). It can be used
*
Number buttons
and
/
L15
SONY
123-456-7890
L15
OPTIONS
L01
Tones can
be played
only during
a call.
SEND
END
CLR
PWR
1
2
3
ABC
DEF
4
5
6
GHI
JKL
MNO
7
8
9
PQ
WX
TUV
RS
YZ
0
OPER
:Options
Erase
Send
Edit
35
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