Specifications

AT Command Set Reference
Ver. 1.00
GSM1308AT001 Page 390 Ver. 1.00 – 10/29/2008
4.16.20. $UDPMSG Send and Receive UDP Messages
Command Function This command allows the user to send
UDP/IP data packets while in AT
command mode. The destination IP
address is set by the $friend command
while the port number is set by the $udpapi
command. The modem must have a GPRS
context activation established ($areg=2
command setting).
Incoming messages addressed to the
modem's IP and port specified in
AT$UDPAPI will be displayed on the serial
port with the unsolicited response
$UDPMSG: followed by the message.
Command Functional Enfora Specific
Group
Command Format Query AT$UDPMSG=?
Response (0-1),(0-2),("data")
OK
Write Format AT$UDPMSG=<format>,<type>,<data>
<cr>
Response OK
Read Format AT$ UDPMSG?
Response OK
Execution Format N/A
Response N/A
Parameter Values
<format> 0 <data> is an ASCII string (i.e.: "is this is
my data")
1 <data> is an ASCII-Hex bytes (i.e.:
050a25)