4A

AT

AT+CSQ

AT+CSQ?

AT+CMGF=1

AT+CMGL="ALL"

AT+CMGL="REC UNREAD"

AT+CMGL="REC READ"

AT+CMGS="<mobile number of recipient>"

HELLO

Ctrl + Z

AT+CMGD=<message index>

AT+CPIN?

AT+CPLS

AT+CENG=1

AT+CPOL

AT+CPOL?

AT+GMR

AT+CGSN

AT+CIMI

AT+CBC

AT+CLTS

AT+CLTS?

AT+COPS?

AT+CREG?

AT+CREG=2

AT+CREG

AT+CCLK?

AT+CGPSINFO

AT+CGNSINF

ATD<mobile number of host>

ATD<mobile number of host>;

ATD<mobile number of host>;

ATD+<mobile number of host>;

ATD+<mobile number of host>

AT+CLIP=1

AT+CLIP?

AT+COLP=1

AT+CLOC

AT+CEER

AT+FCLASS=?




4B

AT

AT+CSQ

AT+CREG=2

AT+CREG?

AT+COPS?

AT+CPIN?

AT+CMGF=1

AT+CMGL="REC UNREAD"

AT+CMGL="REC READ"

AT+GMR

AT+CGSN

AT+CIMI

AT+CBC

AT+CGATT?

AT+CGDCONT?