Specifications

SIM900 AT Commands Set
SIM900_ATC_V1.01 9 23.06.2010
8.2.8 AT+CLPORT Set Local Port.....................................................................................175
8.2.9 AT+CSTT START Task and Set APN、USER NAME、PASSWORD ..................176
8.2.10 AT+CIICR Bring Up Wireless Connection with GPRS or CSD .............................176
8.2.11 AT+CIFSR Get Local IP Address............................................................................177
8.2.12 AT+CIPSTATUS Query Current Connection Status ...............................................177
8.2.13 AT+CDNSCFG Configure Domain Name Server...................................................178
8.2.14 AT+CDNSGIP Query the IP Address of Given Domain Name...............................179
8.2.15 AT+CIPHEAD Add An IP Head When Receiving Data .........................................180
8.2.16 AT+CIPATS Set Auto Sending Timer .....................................................................180
8.2.17 AT+CIPSPRT Set Prompt of ‘>’ When Sending Data.............................................181
8.2.18 AT+CIPSERVER Configure as Server....................................................................182
8.2.19 AT+CIPCSGP Set CSD or GPRS for Connection Mode ........................................182
8.2.20 AT+CIPSRIP Set Both Display IP Address and Port of Sender When Receive Data
...............................................................................................................................................183
8.2.21 AT+CIPDPDP Set Whether Check State of GPRS Network Timing ......................184
8.2.22 AT+CIPMODE Select TCPIP Application Mode....................................................185
8.2.23AT+CIPCCFG Configure Transparent Transfer Mode ............................................185
8.2.24 AT+CIPSHOWTP Display Transfer Protocol in IP Head When Receiving Data ...186
8.2.25 AT+CIPUDPMODE UDP Extended Mode.............................................................187
9 Supported unsolicited result codes.............................................................................................188
9.1 Summary of CME ERROR Codes......................................................................................188
9.2 Summary of CMS ERROR Codes ......................................................................................189
10 AT Commands Sample ............................................................................................................191
10.1 Profile Commands.............................................................................................................191
10.2 SIM Commands ................................................................................................................192
10.3 General Commands...........................................................................................................193
10.4 Call Control Commands....................................................................................................194
10.5 SIM Toolkit Commands....................................................................................................196
10.6 Audio Commands..............................................................................................................196
10.7 SMS Commands ...............................................................................................................197
10.8 GPRS Commands .............................................................................................................198