Data Sheet

SIM900 AT Commands Set
SIM900R01_ATC_V1.00 129 15.01.2010
Parameter
Response
+CMOD: (0)
OK
Test Command
AT+CMOD =?
Parameter:
Response
OK
ERROR
Write Command
AT+CMOD=[<m
ode>]
Parameter
<mode> 0 Only single mode is supported
Reference Note
6.2.10 AT+CFGRI Indicate RI When Using URC
AT+CFGRI Indicate RI When Using URC
Response
+CFGRI: <status>
OK
Read Command
AT+CFGRI?
Parameter
See Write Command
Response
OK
ERROR
Write Command
AT+CFGRI=[<st
atus>]
Parameter
<status>
1 on
0 off
Reference Note
6.2.11 AT+CLTS Get Local Timestamp
AT+CLTS Get Local Timestamp
Test Command
AT+CLTS=?
Response
+CLTS: the format of <timestamp>
OK