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You can mute the microphone during a call by pressing the
[Menu] key then selecting
. 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.
To turn DTMF tones on during a call, for example, to allow your
<
handset to make use of an automated switchboard, select the
[Menu] key, then
. DTMF tones can be turned off the same
way.
The Messages and SIM Tool kit main menu options can be reached
<
from the in-call menu by selecting the
[Menu] key, then
. SIM Tool kit menu is shown only when SIM in the handset
supports SIM Tool kit service.
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