Samsung SGH-I530 Manual page 97

Options During a Call
Transfer
call on hold) allows you to transfer the current call to the
call on hold so that the callers can talk to each other and
you are disconnected from both of them.
Mute
the other person on the phone cannot hear you. The
Mute on call mode indicator (
the screen.
Unmute
Key mute
selected, your PDA phone does not send the DTMF (Dual
Tone Multi-Frequency) tones of the buttons. It allows
you to press keys without hearing annoying key tones
during a call. The Key Mute mode indicator (
appears on the top of the screen.
Key unmute
with answering machines or computerised telephone
systems, this option must be selected.
Phonebook
call.
For details about using the Phonebook application, see
page 137.
Send message
Message Service) message during a call.
For details about using the Messaging application, see
page 108.
Send DTMF
pressing the
entire number you need to send. This option is helpful
for entering a password or an account number when you
call an automated system, like a banking service.
98
: (shown when you have an active call and a
: switches your PDA phone's microphone off so that
: switches the microphone on.
: turns the key tones off. When this option is
: turns the key tones on. To communicate
: search for a number in Phonebook during a
: allows you to send an SMS (Short
: allows you to send the DTMF tones by
Send DTMF
appears on the top of
)
soft button after entering the
)