VoIP
ATA
with
router
function
User
Manual
30
T.38
Fax
Relay:
Select
this
if
the
IPG
‐
110/IPG
‐
200
should
send
fax
messages
as
UDP
packets
through
IP
networks.
This
provides
better
quality,
but
it
may
have
inter
‐
operability
problems.
The
peer
devices
must
also
use
T.38
Session
Timer
Enable:
Select
Enable
if
you
want
to
define
how
long
the
IPG
‐
110/IPG
‐
200
waits
to
receive
a
session
‐
alive
packet
for
a
voice
session
from
the
SIP
server.
Minimum
Expiration
Time:
Enter
the
minimum
time
the
IPG
‐
110/IPG
‐
200
waits
for
a
session
‐
alive
packet
(90
‐
65536
seconds).
If
a
session
‐
alive
packet
is
not
received
during
this
time,
the
voice
session
is
terminated.
Maximum
Expiration
Time:
Enter
the
maximum
time
the
IPG
‐
110/IPG
‐
200
waits
for
a
session
‐
alive
packet
(90
‐
65536
seconds).
If
a
session
‐
alive
packet
is
not
received
during
this
time,
the
voice
session
is
terminated.
MWI
(Message
Waiting
Indications)
Active:
Select
this
if
you
want
to
hear
a
waiting
(beeping)
dial
tone
on
your
phone
when
you
have
at
least
one
voice
message.
Your
SIP
service
provider
must
support
this
feature.
Expiration
Time
:
Keep
the
default
value,
unless
your
SIP
service
provider
tells
you
to
change
it.
Enter
the
number
of
seconds
the
SIP
server
should
provide
the
message
waiting
service
each
time
the
IPG
‐
110/IPG
‐
200
subscribes
to
the
service.
Before
this
time
passes,
the
IPG
‐
110/IPG
‐
200
automatically
subscribes
again.
DND
Setting
DND
Setting:
you
can
setup
the
DND
setting
to
keep
the
device
silence.
You
can
choose
Always
or
Enable
or
Disable.
DND
Always:
All
incoming
call
will
be
blocked
until
disable
this
feature.
DND
Enable:
Select
Enable
and
the
IPG
‐
200/IPG
‐
110
will
be
blocked
during
the
time
period.
If
the
“From”
time
is
large
than
the
“To”
time,
the
Block
time
will
from
00:00
to
23:59
When
you
finished
the
setting,
please
click
the
Submit
button.
If
there
is
nothing
need
to
change,
please
click
the
Save
Change
Item
in
the
left
side,
then
click
the
Save
button.
The
change
you
made
will
save
into
the
system
and
the
system
will
Reboot
automatically.
Block
Anonymous
Call
Select
to
enable
the
option
