Manual

Smart Machine Smart Decision
SIM800 Series_AT Command Manual_V1.09 56 2015-08-03
Reference
V.25ter
Note
3 AT Commands According to 3GPP TS 27.007
3.1 Overview of AT Command According to 3GPP TS 27.007
Command Description
AT+CACM Accumulated call meter(ACM) reset or query
AT+CAMM Accumulated call meter maximum(ACM max) set or query
AT+CAOC Advice of charge
AT+CBST Select bearer service type
AT+CCFC Call forwarding number and conditions control
AT+CCWA Call waiting control
AT+CEER Extended error report
AT+CGMI Request manufacturer identification
AT+CGMM Request model identification
AT+CGMR Request TA revision identification of software release
AT+CGSN Request product serial number identification (identical with +GSN)
AT+CSCS Select TE character set
AT+CSTA Select type of address
AT+CHLD Call hold and multiparty
AT+CIMI Request international mobile subscriber identity
AT+CLCC List current calls of ME
AT+CLCK Facility lock
AT+CLIP Calling line identification presentation
AT+CLIR Calling line identification restriction
AT+CMEE Report mobile equipment error
AT+COLP Connected line identification presentation
AT+COPS Operator selection
AT+CPA S Phone activity status
AT+CPBF Find phonebook entries
AT+CPBR Read current phonebook entries
AT+CPBS Select phonebook memory storage
AT+CPBW Write phonebook entry
AT+CPIN Enter PIN
AT+CPWD Change password
AT+CR Service reporting control
AT+CRC Set cellular result codes for incoming call indication