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Call functions
29
•
Mute
/
Unmute
: switch off the phone’s microphone
so that the other person on the phone cannot hear
you, or switch it back on.
•
Mute keys
/
Send keys
: switch the key tones on
or off.
•
Phonebook
: access the contact list.
•
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.
•
Message
: create and send an SMS message or
access received messages.
p. 48
•
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 AT menus.
•
Transfer
: transfer the currently active call to a
caller on hold. The two callers can talk to each
other, but you are disconnected from the call.
•
End held call
: disconnect the call currently on
hold.
•
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.
•
Split
: have a private conversation with one multi-
party call participant. The other participants can
converse with each other. After the private
conversation, select
Join
to return to the
multi-party call.
•
Remove
: disconnect one multi-party call
participant.
•
Switch to headset
/
Switch to phone
: switch the
call to a Bluetooth headset or hands-free car kit or
back to the phone.
To communicate with answering machines or
computerised telephone systems,
Send keys
must be selected.