Modbus
Cellular
Gateway
Index
skipping
is
used
to
reserve
slots
for
new
function
insertion,
when
required.
357
Configuration
Path
[USSD]
‐
[Configuration]
Physical
Interface
3G/4G
‐
1
SIM
Status:
SIM_A
Configuration
Path
[USSD]
‐
[USSD
Profile
Configuration]
Profile
Name
roaming
setting
USSD
Command
*135#
Comments
Roaming
function
Configuration
Path
[USSD]
‐
[USSD
Request]
Profile
Name
roaming
setting
USSD
Command
*135#
USSD
Response
Scenario
Operation
Procedure
In
above
diagram,
the
"Vo3G
Gateway"
is
the
initiator
of
an
USSD
session
requesting
for
data
roaming
services
in
ChungHwa
mobile
operator.
First,
administrator
selects
one
3G/4G
module
as
the
physical
interface
of
the
USSD
session.
And
then,
he
defines
an
USSD
profile
named
as
"roaming
setting"
with
command
"*135#"
for
further
use.
In
the
"USSD
Request"
window,
from
the
USSD
Profile
dropdown
box
select
the
"roaming
setting"
profile
and
the
"USSD
Command"
field
shows
"*135#".
Click
on
the
"Send"
button
to
send
out
the
USSD
request
via
the
gateway,
and
the
recevied
response
will
appear
at
"USSD
Response"
line.
As
you
type
in
more
commands
in
the
"USSD
Command"
line,
you
will
get
more
responses
from
the
USSD
server.
It
is
an
interactive
communication
session
for
the
administrator
to
request
for
avaliable
services
from
ISP
via
USSD
sessions.
The
USSD
function
allow
user
to
send
USSD
to
ISP,
then
ISP
will
provide
some
service
for
user.
Configuration
setting
Go
to
Application
>
Mobile
Application
>
USSD
Configuration
Item
Value setting
Description
Physical
Interface
The
box
is
3G/4G
‐
1
by
default
Choose
the
3G/4G
‐
1
or
3G/4G
‐
2
to
change
setting
of
cellular
module1
or
cellular
module2.
SIM
Status
N/A
Depend
on
currently
SIM
status.
