Data Sheet

SIM900 AT Commands Set
SIM900_ATC_V1.00 175 15.01.2010
after operating this Command, the state will be changed to IP
CONFIG.
z After module accepting the activated operation, if activate successfully,
the state will be changed to IP GPRSACT, response OK, otherwise
response ERROR.
8.2.11 AT+CIFSR Get Local IP Address
AT+CIFSR Get Local IP Address
Test Command
AT+CIFSR=?
Response
OK
Execution
Command
AT+CIFSR
Response
<IP address>
ERROR
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
z Only at the status of activated the moving scene: IP GPRSACT、
TCP/UDP CONNECTING、CONNECT OK、IP CLOSE can get local
IP Address by AT+CIFSR, otherwise response ERROR.
8.2.12 AT+CIPSTATUS Query Current Connection Status
AT+CIPSTATUS Query Current Connection Status
Test Command
AT+CIPSTATUS
=?
Response
OK
Execution
Command
AT+CIPSTATUS
Response
1）If single connection mode (+CIPMUX=0)
OK
STATE: <state>
2) If multi-connection mode (+CIPMUX=1)
OK
STATE: <state>
If the module is set as server
S: 0, <bearer>, <port>, <server state>
C: <n>,<bearer>, <TCP/UDP>, <IP address>, <port>, <client state>
Parameter
<n> 0-7 a numeric parameter which indicates the connection number