Sony CMD-Z100 - Manual (Page 43)

43
Quick
W
ays to Mak
e Calls
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 #).
It can be used 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 66 and 67).
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.
Notes
• You can send a DTMF signal only during a call.
• 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 59.
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