Data Sheet

SIM900 AT Commands Set
SIM900_ATC_V1.00 188 15.01.2010
10 AT Commands Sample
10.1 Profile Commands
Demonstration Syntax Expect Result
The AT Command
interpreter is actively
responded to input.
AT OK
Display the product
name and the product
release information.
ATI SIM900 R11.0
Display product
identification
information: the
manufacturer, the
product name and the
product revision
information.
AT+ GS V SIMCOM_Ltd
SIMCOM_SIM900
Revision:1137B01SIM900M32_ST
OK
Display current
configuration, a list of
the current active profile
parameters.
AT& V [A complete listing of the active profile]
OK
Reporting of mobile
equipment errors. The
default CME error
reporting setting is
disabled. Switching to
verbose mode displays a
string explaining the
error in more details.
AT+ CM EE= ?
AT+ CM EE?
AT+CSCS=?
AT+CSCS=”TEST”
AT+ CM EE= 2
AT+CSCS=”TEST”
+CMEE: (0-2)
OK
+CMEE: 1
OK
+CSCS: ("GSM","HEX","IRA",
"PCCP","PCDN","UCS2","8859-1")
OK
ERROR
OK
+CME ERROR: operation not allowed
Storing the current
configuration in
nonvolatile memory.
When the board is reset,
the configuration
changes from the last
session are loaded.
ATE0&W
AT
[Reset the board]
AT
ATE1&W
AT
OK
[No echo]
OK
[No echo]
OK
[No echo]
OK
[Echo on]