AT&T Z831 User Manual page 30

Quick
responses
Call
settings
Display duration Check this option to enable the screen will
30
Dialpad tones
Edit quick
responses
Vibrate pattern
Voicemail
Fixed Dialing
Numbers
Speed dial
Check this option to enable the phone dial
pad sound.
Edit the text message that you can send to
the caller while rejecting his/her call.
Select the vibration pattern for incoming
calls.
Select a voicemail service provider
(your carrier is the default), or edit
the voicemail number if necessary.
Restrict outgoing calls to a fixed set of
numbers. To do this you must know your
micro-SIM s PIN2 code. Not all carriers
support this functionality.
never sleep while calling.
Set speed dialing keys.
Phone Calls