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82
Apps
Video
calls
To
make
Video
calls:
◌
Tap
Phone
,
enter
a
number,
and
then
tap
Video
call
.
NOTE
Not
all
devices
support
video
calling.
The
receiver
has
the
option
to
accept
the
video
call
or
answer
the
call
as
a
regular
voice
call.
Wi-Fi
calling
Make
calls
over
Wi-Fi
when
you
are
connected
to
a
Wi-Fi
network.
Contact
your
carrier
for
details.
1.
From
Settings,
tap
Connections
>
Wi-Fi
calling
.
2.
Tap
to
enable
this
feature.
3.
Follow
the
prompts
to
set
up
and
configure
Wi-Fi
calling.
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:
•
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.
NOTE
To
use
RTT,
you
must
be
connected
to
a
4G
LTE
or
Wi-Fi
network.