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In call Menu
Additional Functions
20
Muting the Microphone
You can mute the microphone during a call by pressing the <
[Options] key then selecting Mute. 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.
Switching DTMF Tones on During a Call
To turn DTMF tones on during a call, for example, to allow your
handset to make use of an automated switchboard, select <
[Options], then DTMF On. DTMF tones can be turned off the same
way.
Calling up Messages and SIM Tool kit main menu
The Messages and SIM Tool kit main menu options can be reached
from the in-call menu by selecting < [Options]. SIM Tool kit menu
is shown only when SIM in the handset supports SIM Tool kit
service.