Data Sheet

Smart Machine Smart Decision
3.2.53 AT+CUSD Unstructured Supplementary Service Data
AT+CUSD Unstructured Supplementary Service Data
Response
+CUSD: (list of supported <n>s)
OK
Test Command
AT+CUSD=?
Parameters
See Write Command
Response
+CUSD: <n>
OK
Read Command
AT+CUSD?
Parameters
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
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
(default 0)
Parameter Saving NO_SAVE
Mode
Max Response -
Time
Reference Note
GSM 03.38 [25] When ussd is not suport or return error,TE will print +CUSD:4.
3.2.54 AT+CSSN Supplementary Services Notification
AT+CSSN Supplementary Services Notification
Response
+CSSN: (list of supported <n>s),(list of supported <m>s)
OK
Test Command
AT+CSSN=?
Parameters
SIM800 Series_AT Command Manual_V1.05 108 2014-07-31