Data Sheet

SIM900 AT Commands Set
SIM900R01_ATC_V1.00 8 15.01.2010
6.2.30 AT+CCPD Connected Line Identification Presentation Without Alpha String.........143
6.2.31 AT+CGID Get SIM Card Group Identifier................................................................144
6.2.32 AT+MORING Show State of Mobile Originated Call ..............................................144
6.2.33 AT+CMGHEX Enable To Send Non-ASCII Character SMS....................................145
6.2.34 AT+AUTEST Audio Channel Loopback Test...........................................................146
6.2.35 AT+CCODE Configure SMS Code Mode.................................................................146
6.2.36 AT+CIURC Enable Or Disable Initial URC Presentation .........................................146
6.2.37 AT+CPSPWD Change PS Super Password ...............................................................147
6.2.38 AT+EXUNSOL Enable /Disable Proprietary Unsolicited Indications .......................148
6.2.39 AT+CGMSCLASS Change GPRS Multislot Class ...................................................150
6.2.40 AT+CDEVICE View Current Flash Device Type .....................................................151
6.2.41 AT+CCALR Call Ready Query .................................................................................151
6.2.42 AT+GSV Display Product Identification Information................................................151
7 AT Commands for GPRS Support.............................................................................................153
7.1 Overview of AT Commands for GPRS Support..................................................................153
7.2 Detailed Descriptions of AT Commands for GPRS Support...............................................153
7.2.1 AT+CGATT Attach /Detach From GPRS Service........................................................153
7.2.2 AT+CGDCONT Define PDP Context ..........................................................................154
7.2.3 AT+CGQMIN Quality Of Service Profile (Minimum Acceptable) .............................156
7.2.4 AT+CGQREQ Quality Of Service Profile (Requested) ...............................................158
7.2.5 AT+CGACT PDP Context Activate Or Deactivate ......................................................159
7.2.6 AT+CGDATA Enter Data State ....................................................................................160
7.2.7 AT+CGPADDR Show PDP Address ............................................................................160
7.2.8 AT+CGCLASS GPRS Mobile Station Class................................................................161
7.2.9 AT+CGEREP Control Unsolicited GPRS Event Reporting .........................................162
7.2.10 AT+CGREG Network Registration Status .................................................................163
7.2.11 AT+CGSMS Select Service For MO SMS Messages ................................................164
8 AT Commands for TCPIP Application Toolkit...........................................................................166
8.1 Overview.............................................................................................................................166
8.2 Detailed Descriptions of Commands...................................................................................166
8.2.1 AT+CIPMUX Start Up Multi-IP Connection ...............................................................166
8.2.2 AT+CIPSTART Start Up TCP Or UDP Connection.....................................................167
8.2.3 AT+CIPSEND Send Data Through TCP Or UDP Connection.....................................169
8.2.4 AT+CIPQSEND Select Data Transmitting Mode ........................................................171
8.2.5 AT+CIPACK Query Previous Connection Data Transmitting State.............................171
8.2.6 AT+CIPCLOSE Close TCP Or UDP Connection .......................................................172
8.2.7 AT+CIPSHUT Deactivate GPRS PDP Context ...........................................................172
8.2.8 AT+CLPORT Set Local Port........................................................................................173
8.2.9 AT+CSTT START Task And Set APN、USER NAME、PASSWORD ....................174
8.2.10 AT+CIICR Bring Up Wireless Connection With GPRS Or CSD...............................174
8.2.11 AT+CIFSR Get Local IP Address...............................................................................175
8.2.12 AT+CIPSTATUS Query Current Connection Status ..................................................175
8.2.13 AT+CDNSCFG Configure Domain Name Server......................................................176
8.2.14 AT+CDNSGIP Query The IP Address Of Given Domain Name ...............................177