Specifications

Smart Machine Smart Decision
SIM900_AT Commands Manual_V1.07 96 2012.12.10
<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>
Unsolicited Result Code
+CUSD: <m>[<str>[<dcs>]]
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
2 cancel session (not applicable to read Command response)
<str> String type (string should be included in quotation marks)
USSD-string
<dcs> Cell Broadcast Data Coding Scheme in integer format