AT&T Z831 User Manual page 31

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Vibrate when call
Phone Calls
DTMF tones
VoLTE
IMS Settings
is answered
Call forwarding
Call Barring
Set the length of dual-tone multi-frequency
(DTMF) signal tones: Normal or Long.
Check this option to open the volte
function.
To choose the VT call quality and set the
call deflect number.
Check this option to enable vibration when
the call is answered.
Forward your incoming calls to a
different number. You can choose
when to forward: Always forward,
Forward when busy, Forward when
unanswered, or Forward when
unreachable.
Forbid certain types of calls.
31

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