Data Sheet

Smart Machine Smart Decision
SIM800 Series_AT Command Manual_V1.09 352 2015-08-03
call: the call is alerted. AT+MORING=1
MO CONNECTED
Shows call state of mobile originated
call: the call is established.
AT+MORING=1
+CPIN: <code>
Indicates whether some password is
required or not.
+CPIN: NOT READY SIM Card is not ready.
+CPIN: NOT INSERTED SIM Card is not inserted.
AT+CPIN
+CSQN: <rssi>,<ber>
Displays signal strength and channel bit
error rate
when <rssi>,<ber>values change.
AT+EXUNSOL="
SQ",1
+SIMTONE: 0
The generated tone playing is stopped or
completed.
AT+SIMTONE
+STTONE: 0
The SIM Toolkit tone playing is stopped
or completed.
AT+STTONE
+CR: <serv>
An intermediate result code is
transmitted during connect negotiation
when the TA has determined the speed
and quality of service to be used, before
any error control or data compression
reports are transmitted, and before any
final result code (e.g. CONNECT)
appears.
AT+CR=1
+CUSD:
<n>[,<str_urc>[,<dcs>]]
Indicates an USSD response from the
network, or network initiated operation.
AT+CUSD=1
RING
An incoming call signal from network is
detected.
NORMAL POWER DOWN
SIM800 is powered down by the
PWRKEY pin or AT command
“AT+CPOWD=1”.
+CMTE: <n> The module temperature is abnormal.
Refer to hardware document for details.
AT+CMTE= 1
UNDER-VOLTAGE
POWER DOWN
Under-voltage automatic power down.
UNDER-VOLTAGE
WARNNING
under-voltage warning
OVER-VOLTAGE POWER
DOWN
Over-voltage automatic power down.
OVER-VOLTAGE
WARNNING
over-voltage warning
CHARGE-ONLY MODE
The module is charging by charger.
(require hardware support)
RDY
Power on procedure is completed, and
the module is ready to operate at fixed
baud rate. (This URC does not appear
when auto-bauding function is active).
AT+IPR=<rate>
<rate> is not 0
Call Ready
Module is powered on and phonebook
initialization procedure is over.
AT+CIURC=1
SMS Ready
Module is powered on and SMS