Data Sheet

SIM900 AT Commands Set
SIM900R01_ATC_V1.00 96 15.01.2010
Response
+CBC: < bcs >, < bcl >,<voltage>
OK
+CME ERROR: <err>
Execution
Command
AT+CBC
Parameters
<bcs> charge status
0 ME is not charging
1 ME is charging
2 Charging has finished
<bcl> battery connection level
1...100 battery has 1-100 percent of capacity remaining
vent
<voltage> battery voltage(mV)
Reference
GSM 07.07 [13]
Note
z Support for this Command will be hardware dependant and only be
used when battery is set to vibrator
3.2.57 AT+CUSD Unstructured Supplementary Service Data
AT+ CUSD Unstructured Supplementary Service Data
Response
+CUSD: (<n>s)
OK
Test Command
AT+CUSD=?
Parameter
see Write Command
Response
+CUSD: <n>
OK
Read Command
AT+CUSD?
Parameter
see Write Command
Write Command
AT+CUSD=[<n>
[,<str>[,<dcs>]]
Response
OK
+CME ERROR: <err>