LG KF240d, Руководство пользователя

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In
-call menu
Muting the Microphone
You can mute the microphone during
a call by pressing the [Mute] key. The
handset can be unmuted by pressing
the [Unmute]. When the handset is
muted, the caller cannot hear you, but
you can still hear them.
DTMF tones while calling
To switch on DTMF tones while
calling (e.g. to use the phone with
an automatic switchboard) press the
key [Options] followed by Send DTMF
on. Select DTMF off to disable DTMF
tones. DTMF tones are normally on.
Conference Calls
The conference service provides you
with the ability to have a simultaneous
conversation with more than one
caller, if your network service provider
supports this feature. A conference call
can only be set up when you have one
active call and one call on hold, both
calls having been answered.
Once a conference call is set up,
calls may be added, disconnected or
separated (that is, removed from the
conference call but still connected to
you) by the person who set up the
conference call. These options are
all available from the In-Call menu.
The maximum callers in a conference
call are five. Once started, you are in
control of the conference call, and only
you can add calls to the conference
call.