Data Sheet
Smart Machine Smart Decision
SIM800 Series_AT Command Manual_V1.09 353 2015-08-03
initialization procedure is over.
+CFUN: <fun> Phone functionality indication (This
URC does not appear when
auto-bauding function is active).
AT+IPR=<rate>
<rate> is not 0
[<n>,]CONNECT OK
TCP/ UDP connection is successful AT+CIPSTART
CONNECT
TCP/UDP connection in channel mode is
successful
[<n>,]CONNECT FAIL
TCP/UDP connection fails AT+CIPSTART
[<n>,]ALREADY
CONNECT
TCP/UDP connection exists AT+CIPSTART
[<n>,]SEND OK
Data sending is successful
[<n>,]CLOSED
TCP/UDP connection is closed
RECV FROM: <IP
ADDRESS>: <PORT>
shows remote IP address and port
(only in single connection mode)
AT+CIPSRIP=1
+IPD, <data
size>,<TCP/UDP>:<data>
display transfer protocol in IP header to
received data or not (only in single
connection mode)
AT+CIPHE AD
AT+CIPSHOWTP
+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>[,<IP2>]
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+FTPRM D
+FTPLIST:1,<res>
FTP list session (not supported for all AT+FTPLIST