Specifications

SIM900 AT Command Manual
SIM900_AT Command Manual_V1.03 94 12/24/2010
OK
If error is related to ME functionality:
+CME ERROR: <err>
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
This command depends on hardware and only be used when battery is
charging.
3.2.57 AT+CUSD Unstructured Supplementary Service Data
AT+CUSD Unstructured Supplementary Service Data
Response
+CUSD: (list of supported <n>s)
OK
Test Command
AT+CUSD=?
Parameter
See Write Command
Response
+CUSD: <n>
OK
Read Command
AT+CUSD?
Parameter
See Write Command
Response
OK
If error is related to ME functionality:
+CME ERROR: <err>
Write Command
AT+CUSD=<n>[,
<str>[,<dcs>]]
Parameters
<n> a numeric parameter which indicates control of the unstructured
supplementary service data
0 disable the result code presentation in the TE
1 enable the result code presentation in the TE