Specifications

Smart Machine Smart Decision
SIM900_AT Commands Manual_V1.07 245 2012.12.10
connection mode)
+RECEIVE,<n>,<length>
Received data from remote client (only
in multiple connection mode)
REMOTE IP: <IP
ADDRESS>
Remote client connected in
+CDNSGIP: 1,<domain
name>,<IP>
DNS successful AT+CDNSGIP
+CDNSGIP:0,<dns error
code>
DNS failed
+PDP DEACT
GPRS is disconnected by network
+SAPBR <cid>: DEACT
The bearer based on IP connection of
SIMCom application is deactivated.
+HTTPACTION:
<Method>,<StatusCode>,<Da
taLen>
Indicates HTTP method, Status Code
responded by remote server and the
length of data got.
AT+HTTPACTIO
N=<Method>
+FTPGET:1,<res>
FTPGET session AT+FTPGET=1
+FTPPUT:1,1,<maxlength>
It is ready to upload data. AT+FTPPUT
+FTPPUT:1,<res>
FTP return result AT+FTPPUT
+FTPDELE:1,<res>
FTP delete session AT+FTPDELE
+FTPSIZE:1,<res>,<size>
FTP size session AT+FTPSIZE
+FTPMKD:1,<res>
FTP create directory (not supported for
all versions)
AT+ FTPMKD
+FTPRMD:1,<res>
FTP delete directory (not supported for
all versions)
AT+ FT PR MD
+ FTPLIST:1,<res>
FTP list session (not supported for all
versions)
AT+FTPLIST