2009
DTT
USER
MANUAL
VoIP
2
All
™
Series: 4 Channel Gateway User Manual
28
8.
Left
click
will
select
the
SIM
for
this
time
slot
and
mark
it
with
a
number.
A
dialog
box
will
open.
Enter
the
units
for
this
SIM.
9.
The
current
count
of
the
units
of
the
SIM
will
appear
in
brackets.
10.
To
un
‐
select
time
slots
simply
click
on
it
again.
11.
You
are
unable
to
choose
a
SIM
that
is
already
in
use
at
that
time
in
the
Gateway.
12.
After
setting
all
the
needed
SIMs
press
‘Save.’
13.
Press
'Apply'
to
activate
the
changes.
14.
At
the
end
of
each
call
the
unit
count
is
updated.
15.
When
the
unit
count
reaches
zero
(0)
the
port
will
register
the
next
SIM
on
the
list.
Chapter
6.3:
Prefixes
Under
the
default
setting,
an
incoming
call
from
a
port
will
receive
a
dial
tone.
The
Gateway
will
route
the
call
according
to
the
prefix
of
the
dialed
number.
Each
port
has
a
ten
prefixes
table
.
Press
the
Prefixes
tab
to
see:
1.
Enter
the
Prefixes
for
this
port.
When
a
dialed
number
starts
with
this
prefix
the
call
will
automatically
route
to
this
port.
•
If
the
prefix
of
a
port
is
‘*’,
then
all
the
calls
that
do
not
conform
to
the
other
ports
prefixes
will
be
routed
through
this
port.
•
If
two
or
more
ports
have
the
same
prefix
then
the
Gateway
will
rotate
the
calls
between
the
ports.
2.
In
the
‘Remove
Prefix’
select
box
how
many
digits
to
remove
from
the
beginning
of
the
dialed
number.
3.
In
the
‘Add
Prefix’
box
select
the
digits
to
be
added
at
the
beginning
of
the
number.
4.
In
the
‘Incoming
Calls
Handle’
select
the
operation
mode
for
each
port:
•
Dial
Tone
–
All
calls
that
come
from
this
port
will
receive
a
dial
tone
to
call
any
other
port.
•
Blocked
‐
All
calls
that
come
from
this
port
will
be
blocked.
The
caller
will
hear
a
busy
tone.
