VoIP
ATA
with
router
function
User
Manual
27
□
Account
Name:
you
can
input
the
name
you
want
to
display.
□
Number:
you
need
to
input
the
User
Name
get
from
your
ISP.
□
SIP
Display
Name:
you
can
input
the
name
you
want
to
display.
□
SIP
Server
Addr:
Enable
/
Disable
Register
Proxy
server
and
input
the
Proxy
Addr
get
from
your
ISP.
□
SIP
Server
Port:
you
need
to
input
the
Proxy
Port
get
from
your
ISP.
□
SIP
Server
Domain:
you
need
to
input
the
SIP
Domain
get
from
your
ISP.
□
Reg
Expire
(sec):
SIP
registration
expired
time.
□
Outbound
Proxy
Server:
you
need
to
input
the
Outbound
Proxy
get
from
your
ISP.
If
your
ISP
does
not
provide
the
information,
then
you
can
skip
this
item.
□
Outbound
Proxy
Address:
Enable
/
Disable
Register
Outbound
Proxy
server
and
input
the
Outbound
Proxy
Address
get
from
your
ISP.
You
can
see
the
Register
Status
in
the
Status
item.
If
the
item
shows
“Registered”,
then
your
VoIP
Phone
is
registered
to
the
ISP,
you
can
make
a
phone
call
directly.
If
you
have
more
than
one
SIP
account,
you
can
following
the
steps
to
register
to
the
other
ISP.
When
you
finished
the
setting,
please
click
the
Apply
button.
□
User
Name:
you
need
to
input
the
Register
Name
get
from
your
ISP.
□
Password:
you
need
to
input
the
Register
Password
get
from
your
ISP.
STUN
Traversal
STUN
{Simple
Traversal
of
UDP
through
NATs
(Network
Address
Translation)}
is
a
protocol
for
assisting
devices
behind
a
NAT
firewall
or
router
with
their
packet
routing.