Specifications

SIM900 AT Command Manual
SIM900_AT Command Manual_V1.03 39 12/24/2010
OK
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)
Test Command
AT+GSN=?
Response
OK
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
Write Command
AT+ICF=<forma
t>,[<parity>]
Response
This parameter setting determines the serial interface character framing
format and parity received by TA from TE.