Manual

Smart Machine Smart Decision
SIM800 Series_AT Command Manual_V1.09 139 2015-08-03
displayed
50 Command data not understood by ME
Parameter Saving
Mode
NO_SAVE
Max Response Time -
Reference Note
Above are the possible terminal response value needed to be responded by
application. It’s modem’s responsibility to response for other terminal
response value.
5.2.6 AT+STKUSSD STK USSD setup
AT+STKUSSD STK USSD setup
Response
OK
Test Command
AT+STKUSSD=?
Parameters
See Write Command
Response
OK
ERROR
Write Command
AT+STKUSSD=<c
ommand>
Parameters
<command> STK ss command
0 Trigger modem to send STK USSD
4 Trigger modem to send STK USSD but icon cannot be
displayed
50 Command data not understood by ME
Parameter Saving
Mode
NO_SAVE
Max Response Time -
Reference Note
Above are the possible terminal response value needed to be responded by
application.It’s modem’s responsibility to response for other terminal
response value.
5.2.7 AT+STKDTMF STK sending DTMF
AT+STKDTMF STK sending DTMF
Response
OK
Test Command
AT+STKDTMF=?
Parameters
See Write Command
Write Command
AT+STKDTMF=<
Response
OK