Samsung SGH-F300 User Manual page 43

Call functions
• Mute keys/Send keys: switch the key
tones off or on.
To communicate with answering
machines or computerised telephone
systems, Send keys must be selected.
• Send DTMF: send the DTMF (Dual tone
multi-frequency) tones as a group. The
DTMF tones are the tones used in phones
for tone dialling, sounding when you
press the number keys. This option is
helpful for entering a password or an
account number when you call an
automated system, like a banking
service.
• Phonebook: access the contact list.
• SIM service: access special services,
such as news, weather forecasts,
entertainment, and location services,
provided by your SIM card. This option is
available when you use a SIM card
supporting SIM Application Toolkit
menus.
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• Join: set up a multi-party call by adding
a caller on hold to a currently active call.
You can include up to 5 people on a
multi-party call.
• Select one: select one of the multi-party
call participants. You can then use the
following options:
Private: have a private conversation with
the selected participant. The other
participants can converse with each other.
After the private conversation, select Join
to return both private participants to the
multi-party call.
Remove: disconnect the selected
participant.