Specifications

SIM900 AT Commands Set
SIM900_ATC_V1.01 40 23.06.2010
Parameter
<Object Id> identifier of device type
see X.208, 209 for the format of <Object Id>
Reference
V.25ter
Note
2.2.38 AT+GSN Request TA Serial Number Identification (IMEI)
AT+GSN Request TA Serial Number Identification(IMEI)
Response
OK
Test Command
AT+GSN=?
Parameter
Response
TA reports the IMEI (international mobile equipment identifier) number in
information text which permit the user to identify the individual ME device.
<sn>
OK
Execution
Command
AT+GSN
Parameter
<sn> IMEI of the telephone(International Mobile station
Equipment Identity)
Reference
V.25ter
Note
The serial number (IMEI) is varied by individual ME device.
2.2.39 AT+ICF Set TE-TA Control Character Framing
AT+ICF Set TE-TA Control Character Framing
Response
+ICF: (list of supported <format>s), (list of supported <parity>s)
OK
Test Command
AT+ICF=?
Parameters
See Write Command.
Response
+ICF: <format>,<parity>
OK
Read Command
AT+ICF?
Parameters
See Write Command.