| AT Commands |
Meaning |
| AT+CSCA="+651234567" |
Set Message Center Number |
| AT+CGMI |
Get the name of manufacturer |
| AT+CGSN |
Get IMEI number (International Mobile Equipment Identity) |
| AT+CGMR |
Get software version |
| AT+CIMI |
Get IMSI number (International Mobile Subscriber Identity) |
| AT+CNUM |
MSISDN |
| AT+CPAS |
Get mobile phone activity status |
| AT+CREG |
Get mobile network registration status |
| AT+CSQ |
Get radio signal strength |
| AT+CBC |
Get battery charge level and battery charging status |
| ATD, ATA, etc |
Establish a data connection or voice connection to a remote modem |
| ATD, ATA, AT+F* |
Send and receive fax |
| AT+CMGS, AT+CMSS |
Send SMS messages |
| AT+CMGR, AT+CMGL |
Read SMS messages |
| AT+CMGW |
Write SMS messages |
| AT+CMGD |
Delete SMS messages |
| AT+CNMI |
Obtain notifications of newly received SMS messages |
| AT+CPBR |
Read phonebook entries |
| AT+CPBW |
Write phonebook entries |
| AT+CPBF |
Search phonebook entries |
| AT+CLCK |
Opening or closing facility locks |
| AT+CPWD |
Changing passwords |
| AT+CMEE=n |
Enable certain error messages
n= 0 disable +CME ERROR: <err> result code and use ERROR instead.
n= 1 enable +CME ERROR: <err> result code and use numeric <err> values.
N= 2 enable +CME ERROR: <err> result code and use verbose <err> values. |
| AT+COPS=<mode>, <format>, <operator> |
Change the GSM network
<mode> is used to select whether the selection is done automatically by the ME or is forced by this command tooperator <operator> given in the format <format> and may be:
= 0 automatic (<operator> field is ignored).
= 1 manual.
= 2 deregister from network.
= 3 set only <format>.
= 4 manual / automatic (if manual selection fails, automatic mode is entered).
<format> :
= 0 long alphanumeric <operator> (default value).
= 1 short format alphanumeric <operator>.
= 2 numeric <operator>.
<operator> string type given in format <format>; this field may be up to 16 character long for long alphanumeric format, up to 8 characters for short alphanumeric format and 5 characters long for numeric format MCC/MNC codes) |
| AT+CBST |
Change bearer service type |
| AT+CRLP |
Change/configure radio link protocol parameters |
| AT+CPMS |
storage of SMS messages |
| AT+CSAS |
Save configurations of the GSM/GPRS modem |
| AT+CRES |
settings related to SMS messaging such as the SMS center address |
| AT+CMGF=1 |
instruct the GSM / GPRS modem to operate in SMS text mode |
| AT+CMGL="ALL" |
List all the messages |
| AT+CNMA |
New message acknowledgement |
