Alcatel IDEAL XCITE Manual page 21

Touch to end the current call.
Touch to activate the speaker during the current
call. Touch this icon again to deactivate the speaker.
Touch to mute the current call. Touch this icon again
to unmute the call.
Touch to display the Dial pad.
Touch to hold the current call. Touch this icon again
to retrieve the call.
Touch to add a call.
To avoid accidental operation of the touchscreen
during a call, the screen will be locked automatically
when you put the cellphone close to your ear; and it
will be unlocked when the cellphone is taken away
from your ear.
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