VoIP
ATA
with
router
function
User
Manual
50
Appendix
A
‐
FAQ
List
1.
What
is
the
default
administrator
password
to
login
to
the
IPG
‐
200/IPG
‐
110?
How
to
Login?
A:
By
default,
default
username
is
“admin”,
default
password
is
also
“admin”
to
login
to
the
router.
For
security,
you
should
modify
the
password
to
protect
your
gateway
against
hacker
attacks.
Default
Wan
Port
Access
type
is
DHCP
Client,
LAN
Port
IP
Address
is
“192.168.1.1”.Loging
Web
User
Interface,
open
the
Bowser
(IE/FireFox)
and
input
IP
address.
2.
I
forgot
the
administrator
password.
What
should
I
do?
A:
Press
the
Reset
button
on
the
rear
panel
for
over
5
seconds
to
reset
all
settings
to
default
factory
values.
Then
you
can
use
the
default
Username/Password
to
Login
Web
UI.
3.
Why
is
it
that
I
can
ping
to
outside
hosts,
but
not
access
Internet
Web
sites?
A:
Check
the
DNS
server
settings
on
your
PC.
You
should
get
the
DNS
servers
settings
from
your
ISP.
If
your
PC
is
running
a
DHCP
client,
remove
any
DNS
IP
address
setting.
As
the
router
will
assign
the
DNS
settings
to
the
DHCP
‐
client
‐
enabled
PC.
4.
What
is
the
maximum
number
of
IP
addresses
that
the
DHCP
server
of
the
gateway
can
assign
to
local
PCs?
A:
The
built
‐
in
DHCP
server
can
support
253
IP
addresses
for
local
network
usage.
5.
Why
can
I
call
out
by
IPG
‐
200/IPG
‐
110?
A:
Please
check
your
IPG
‐
200/IPG
‐
110
is
registered
SIP
Proxy
Server
(ITSP),
and
chink
your
Internet
works
fine.
IPG
‐
200/IPG
‐
110
can’t
make
a
call
without
Internet
or
SIP
Account
that
from
ITSP
supply.
You
must
have
a
SIP
account
or
know
the
other
ATA/Gateway
IP/Domain
Name,
than
you
can
make
a
VoIP
call.
6.
I
can’t
use
web
Interface
to
setting
IPG
‐
200/IPG
‐
110,
How
can
I
do?
A:
Please
check
your
PC
connects
the
IPG
‐
200/IPG
‐
110
Lan
port
or
PC
and
IPG
‐
200/IPG
‐
110
with
the
same
Subnet.
If
you
PC
aren’t
at
the
same
Subnet,
you
can’t
Login
the
IPG
‐
110
Web
interface.
Else
you
let
your
IPG
‐
200/IPG
‐
110
on
Public
Internet
(Public
IP
address).
7.
Why
does
the
one
way
talk
happen?
A:
Generally,
one
way
talk
happen
when
use
the
different
codec
between
VoIP
devices
make
call.
Please
check
and
setting
the
same
codec,
most
one
way
talk
will
be
solved.
8.
Why
can
I
call
out
when
the
IPG
‐
200/IPG
‐
110
under
the
NAT?
A:
Most
VoIP
products
have
problem
in
NAT
Pass
through.
By
SIP,
there
are
many
NAT
Pass
through
Function
can
solve
80%
NAT
Problem.
You
can
choose
STUN/Outbound
Proxy/
Symmetric
RTP
to
Pass
through
NAT,
you
don’t
set
any
other
setting
(DMZ/Virtual
Server)
by
router
side.
If
you
use
STUN/Outbound
Proxy,
you
must
have
a
STUN/Outbound
Proxy
Server
to
support.
If
they
can’t
pass
NAT,
please
open
the
DMZ/Virtual
Server
by
Router/NAT/Firewall.