VoIP
ATA
with
router
function
User
Manual
39
□
MAC
Enable/Disable
–from
your
local
network
to
Internet
through
the
Gateway
MAC
filter
function,
default
setting
is
disable.
Port
Filtering
Entries
in
this
table
are
used
to
restrict
certain
types
of
data
packets
from
your
local
network
to
Internet
through
the
Gateway.
Use
of
such
filters
can
be
helpful
in
securing
or
restricting
your
local
network
