Technical data
WMO2 G900 / G1800 / G1900
WCOM/GSM/WMO2/WMO2ATDOC Friday 21 May 1999
WAVECOM confidential © 24
4.1.4 Product Serial Number +CGSN
This command allows the user application to know the IMEI of the modem.
It is only a read command.
There is no possibility to set a value or to test the parameters.
Command Syntax: AT+CGSN
Example:
Application to GSM AT+CGSN Request IMEI
GSM to application 135790248939
OK
IMEI present in E2PROM
Application to GSM AT+CGSN Request IMEI
GSM to application +CME ERROR: 22 IMEI not found in E2PROM
4.1.5 Select TE character set +CSCS
This commands informs the ME which character set is used by the TE.
The ME is then able to convert each character of entered or displayed
string.
This function is used to send, read or write short messages.
It supports as well the set, read and test syntax.
Command Syntax: AT+CSCS=<char. set>
AT+CSCS?
AT+CSCS=?
Parameters: <char. set>
this is the name of the ANSI character set to be used
by the modem.
Possible values are:
GSM for the default GSM character set
PCCP437 for the standard PC character set
Example:
Application to GSM AT+CSCS="GSM" GSM default alphabet
GSM to application OK Command valid
Application to GSM AT+CSCS="PCCP437" PC character set Code Page 437
GSM to application OK Command valid
Application to GSM AT+CSCS? Read current setting
GSM to application +CSCS: "PCCP437"
OK
Current character set conversion
to Code Page 437 character set
Application to GSM AT+CSCS=? Test available character sets
GSM to application +CSCS: ("GSM","PCCP437")
OK
GSM default alphabet or PC
character set Code Page 437
4.1.6 Request IMSI +CIMI
This command is used to read the IMSI (International Mobile Subscriber
Identity) of the SIM card. The PIN should be entered (if needed) before
reading the IMSI.
Command syntax: AT+CIMI
Response syntax: <IMSI>
Example:
Application to GSM AT+CIMI Read the IMSI
GSM to application 208200120320598 IMSI value (15 digits), starting
with MCC (3 digits) / MNC (2
digits, 3 for PCS 1900)
See appendice annexe_ref for MCC / MNC description.