2009
DTT
VoIP2All
USER
MANUAL
VoIP
2
All
™
Series: 4 Channel Gateway User Manual
17
SIM
Swapping
Limitation
Time
Slot
–
is
a
continuous
time
slot
for
a
SIM
to
work
in
the
timetable.
There
is
a
firmware
limitation
of
30
Time
Slots
for
each
port.
Chapter
4:
VoIP
Settings
Press
to
open
the
VoIP
setup
window.
Chapter
4.1:
General
Settings
Press
the
General
tab
to
see:
IP
Settings
•
‘IP
Address'
‐
Is
the
IP
address
of
the
Gateway.
By
default
it
is
10.16.2.245.
•
'Default
Gateway'
–
When
working
behind
a
firewall,
you
must
setup
'Default
Gateway'
for
the
Gateway
to
be
able
to
access
the
WAN,
usually
it
Is
the
IP
address
of
the
Router
that
the
Gateway
work
behind.
•
‘Subnet
Mask’
‐
When
working
behind
a
firewall,
you
must
setup
'Subnet
Mask'.
•
‘Port'
‐
IP
port
of
the
VoIP
2
ALL.
Used
for
connecting
with
the
PC
management.
Default
setting
it
is
2007.
•
'DNS'
–
When
working
behind
a
firewall,
if
you
need
to
connect
to
a
external
SIP
Server
with
a
name
(not
IP
address),
then
you
must
setup
the
'DNS',
usually
it
Is
the
IP
address
of
the
Router
that
the
Gateway
work
behind.
Dialing
Settings
