Specifications

SIM900 AT Command Manual
SIM900_AT Command Manual_V1.03 179 12/24/2010
after operating this Command is executed, the state will be changed to
IP CONFIG.
z After module accepts the activated operation, if it is activated
successfully, module state will be changed to IP GPRSACT, and it
responds OK, otherwise it will responsd ERROR.
8.2.11 AT+CIFSR Get Local IP Address
AT+CIFSR Get Local IP Address
Test Command
AT+CIFSR=?
Response
OK
Response
<IP address>
ERROR
Execution
Command
AT+CIFSR
Parameter
<IP address> a string parameter(string should be included in quotation
marks) which indicates the IP address assigned from GPRS
or CSD
Reference Note
Only after PDP context is activated, local IP Address can be obtained by
AT+CIFSR, otherwise it will respond ERROR. The active status are IP
GPRSACT, TCP/UDP CONNECTING, CONNECT OK, IP CLOSE.
8.2.12 AT+CIPSTATUS Query Current Connection Status
AT+CIPSTATUS Query Current Connection Status
Test Command
AT+CIPSTATUS
=?
Response
OK
Response
+CIPSTATUS: <n>,<bearer>, <TCP/UDP>, <IP address>, <port>,
<client state>
OK
Write Command
If multi IP
connection mode
(+CIPMUX=1)
AT+CIPSTATU
S=<n>
Parameters
See Execution Command
Execution
Command
AT+CIPSTATUS
Response
1）If in single connection mode (+CIPMUX=0)
OK