114
Apps
Wi-Fi
calling
Make
calls
over
Wi-Fi
when
you
are
connected
to
a
Wi-Fi
network.
1.
From
Phone,
tap
More
options
>
Settings
>
Wi-Fi
calling.
2.
Tap
to
enable
this
feature.
3.
Follow
the
prompts
to
set
up
and
configure
Wi-Fi
calling.
Advanced
calling
Enjoy
high
definition
voice
and
video
calling.
1.
From
Settings,
tap
Connections
>
Advanced
calling,
and
then
tap
to
turn
on
this
feature.
2.
Tap
either
HD
Voice
and
Video
Calling
or
HD
Voice
only.
Real
Time
Text
(RTT)
Type
back
and
forth
in
real
time
with
the
other
person
while
on
a
call.
You
can
use
RTT
whenever
you
are
calling
someone
whose
phone
also
supports
RTT
or
is
connected
to
a
teletypewriter
(TTY)
device.
The
RTT
icon
appears
on
all
incoming
RTT
calls.
1.
From
Phone,
tap
More
options
>
Settings.
2.
Tap
Real
time
text
for
the
following
options:
•
RTT
call
button:
Choose
a
visibility
option
for
the
RTT
call
button.
–
Visible
during
calls:
Show
the
RTT
call
button
only
during
calls.
–
Always
visible:
Show
the
RTT
call
button
on
the
keypad
and
during
calls.
•
Use
external
TTY
keyboard:
Hide
the
RTT
keyboard
when
an
external
TTY
keyboard
is
connected.
•
TTY
mode:
Choose
the
preferred
TTY
mode
for
the
keyboard
in
use.
