Specifications

Smart Machine Smart Decision
SIM900_AT Commands Manual_V1.07 10 2012.12.10
7.1 Overview of AT Commands for GPRS Support..................................................................170
7.2 Detailed Descriptions of AT Commands for GPRS Support...............................................170
7.2.1 AT+CGATT Attach or Detach from GPRS Service ..................................................170
7.2.2 AT+CGDCONT Define PDP Context .......................................................................171
7.2.3 AT+CGQMIN Quality of Service Profile (Minimum Acceptable) ...........................173
7.2.4 AT+CGQREQ Quality of Service Profile (Requested) .............................................174
7.2.5 AT+CGACT PDP Context Activate or Deactivate....................................................176
7.2.6 AT+CGDATA Enter Data State .................................................................................176
7.2.7 AT+CGPADDR Show PDP Address .........................................................................177
7.2.8 AT+CGCLASS GPRS Mobile Station Class.............................................................178
7.2.9 AT+CGEREP Control Unsolicited GPRS Event Reporting......................................179
7.2.10 AT+CGREG Network Registration Status ..............................................................180
7.2.11 AT+CGSMS Select Service for MO SMS Messages ..............................................181
8 AT Commands for TCPIP Application Toolkit .........................................................................183
8.1 Overview.............................................................................................................................183
8.2 Detailed Descriptions of Commands...................................................................................184
8.2.1 AT+CIPMUX Start Up Multi-IP Connection ............................................................184
8.2.2 AT+CIPSTART Start Up TCP or UDP Connection...................................................184
8.2.3 AT+CIPSEND Send Data Through TCP or UDP Connection...................................186
8.2.4 AT+CIPQSEND Select Data Transmitting Mode .....................................................188
8.2.5 AT+CIPACK Query Previous Connection Data Transmitting State..........................189
8.2.6 AT+CIPCLOSE Close TCP or UDP Connection .....................................................190
8.2.7 AT+CIPSHUT Deactivate GPRS PDP Context ........................................................190
8.2.8 AT+CLPORT Set Local Port.....................................................................................191
8.2.9 AT+CSTT Start Task and Set APN, USER NAME, PASSWORD...........................192
8.2.10 AT+CIICR Bring Up Wireless Connection with GPRS or CSD .............................192
8.2.11 AT+CIFSR Get Local IP Address............................................................................193
8.2.12 AT+CIPSTATUS Query Current Connection Status ...............................................193
8.2.13 AT+CDNSCFG Configure Domain Name Server...................................................195
8.2.14 AT+CDNSGIP Query the IP Address of Given Domain Name...............................195
8.2.15 AT+CIPHEAD Add an IP Head at the Beginning of a Package Received..............196
8.2.16 AT+CIPATS Set Auto Sending Timer .....................................................................197
8.2.17 AT+CIPSPRT Set Prompt of ‘>’ When Module Sends Data...................................198
8.2.18 AT+CIPSERVER Configure Module as Server ......................................................198
8.2.19 AT+CIPCSGP Set CSD or GPRS for Connection Mode ........................................199
8.2.20 AT+CIPSRIP Show Remote IP Address and Port When Received Data ................200
8.2.21 AT+CIPDPDP Set Whether to Check State of GPRS Network Timing ..................201
8.2.22 AT+CIPMODE Select TCPIP Application Mode....................................................202
8.2.23AT+CIPCCFG Configure Transparent Transfer Mode ............................................203
8.2.24 AT+CIPSHOWTP Display Transfer Protocol in IP Head When Received Data.....204
8.2.25 AT+CIPUDPMODE UDP Extended Mode.............................................................204
8.2.26 AT+CIPRXGET Get Data from Network Manually ...............................................205
8.2.27 AT+CIPQRCLOSE Quick Remote Close ...............................................................207
8.2.28 AT+CIPSCONT Save TCPIP Application Context .................................................208