819
‐
1XRT
Serial
Cellular
Data
Modem
9
10.
You
can
also
confirm
the
assigned
PRL
number
with
AT+GMR
.
Power
cycle
the
modem.
If
your
account
supports
voice,
you
can
confirm
modem
activation
by
performing
a
voice
call
to
your
cell
phone
with
AT+CDV<Cell
Phone
Number>
(use
no
spaces
or
angle
brackets).
Your
cell
phone
should
ring
and
display
the
phone
number
of
the
modem.
Figure
2:
819
‐
1XRT
HyperTerminal
Modem
Activation
Configuration
and
test
of
a
Circuit
Switch
Data
(CSD)
call,
and
Packet
Data
Call
(TCP/IP)
are
discussed
in
the
user
manual.
