Specifications

Chapter 3 – General Commands
Multi-Tech Systems, Inc. CDMA AT Commands Reference Guide (PN S000294K) 15
Select TE Character Set +CSCS
Description: This command informs the MS which character set is in use by the TE. The MS uses this information to
convert each character of entered or displayed text data. The character set is used for send, read or write of
short messages.
Values: <Character Set>
“CDMA” CDMA default (ASCII) character set.
“CUST” Custom character set.
Syntax: Command syntax: AT+CSCS=<Character Set>
Command Possible Responses
AT+CSCS=”CDMA”
Note: CDMA default alphabet
OK
Note: Command valid
AT+CSCS?
Note: Custom character set
+CSCS: “CDMA”
OK
Note: Command valid
AT+CSCS=?
Note: Get possible values
+CSCS: ("CDMA","CUST")
OK
Note: Possible values
Request IMSI +CIMI
Description: This command is used to read and identify the IMSI (International Mobile Subscriber Identity) of the modem.
The PIN may need to be entered using the CPIN command before reading the IMSI.
Syntax: Command syntax: AT+CIMI
Command Possible Responses
AT+CIMI
Note: Read the IMSI
+CIMI: 310008585551212
OK
Note: IMSI value (15 digits)
Capabilities List +GCAP
Description: This command gets the complete list of capabilities.
Syntax: Command syntax: AT+GCAP
Command Possible Responses
AT+GCAP
Note: Get capabilities list
+GCAP: +CGSM, +CIS707-A, +MS, +ES, +DS, +FCLASS
OK
Repeat Last Command A/
Description: This command repeats the previous command. Only the A/ command itself cannot be repeated.
Syntax: Command syntax: A/
Command Possible Responses
A/
Note: Repeat last command