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Appendix F – Command Execution and Dependence on SIM
Multi-Tech Systems, Inc. Wireless GSM/GPRS AT Commands (Document Number S000293I) 193
Appendix F – Command
Execution and Dependence on
SIM
The following table lists AT command execution syntax and the execution condition. The SIM dependency column indicates if
the command behavior will vary if another card is used. For example, it will vary for phonebook reading commands. The
Intermediate column indicates if intermediate response can occur.
General Commands
AT Commands Conditions SIM dependence Intermediate
AT+CGMI +WIND: 3 N N
AT+CGMM +WIND: 3 N N
AT+CGMR +WIND: 3 N N
AT+CGSN +WIND: 3 N N
AT+CSCS +WIND: 4 N N
AT+WPCS +WIND: 4 N N
AT+CIMI +WIND: 4 Y N
AT+CCID +WIND: 1 Y N
AT+GCAP +WIND: 3 N N
A/ Depends on previous command Depends on prev. command N
AT+CPOF +WIND: 3 without SIM,
+WIND: 1 with SIM
N N
AT+CFUN +WIND: 3 N N
AT+CPAS +WIND: 3 N N
AT+CMEE +WIND: 3 N N
AT+CKPD Depends of the sequence used Y/N N
AT+CCLK +WIND: 3 Y N
AT+CALA +WIND: 3 N Y
AT+CRMP +WIND: 3 N N
AT+CRSL +WIND: 3 N N
AT+CMUX N N
Call Control Commands
AT commands Conditions SIM dependence Inte
r
mediate
ATD Depends of sequence used Y/N Y
ATH +WIND: 3 N N
ATA +WIND: 3 N N
AT+CEER +WIND: 4 Y N
AT+VTD +WIND: 3 N N
AT+VTS +WIND: 5 N N
ATDL +WIND: 3 N Y
AT%D +WIND: 3 N N
ATS0 +WIND: 3 N N
AT+CICB +WIND: 3 N N
AT+CSNS +WIND: 3 N N
AT+VGR +WIND: 3 N N
AT+VGT +WIND: 3 N N
AT+CMUT +WIND: 5 N N
AT+SPEAKER +WIND: 3 N N
AT+ECHO +WIND: 3 N N
AT+SIDET +WIND: 3 N N
AT+VIP +WIND: 3 N N