Manual
     Smart Machine Smart Decision 
SIM800 Series_AT Command Manual_V1.09  136  2015-08-03 
Parameter 
<result> HEX String --specified in GSM11.14[12.12] 
- '00' = Command performed successfully; 
- '10' = Proactive SIM session terminated by the user; 
- '11' = Backward move in the proactive SIM session requested by 
the user; 
… 
- '2000' = ME currently unable to process command, No specific 
cause can be given; 
- '2001' = ME currently unable to process command, Screen is 
busy; 
… 
<text> Hex String 
If response to GET INPUT or GET INKEY --specified in 
GSM11.14[12.15] 
-text string, the first 2 char is Data coding scheme 
If response to SELECT ITEM --specified in GSM11.134[12.10] 
 -Identifier of item chosen 
Parameter Saving 
Mode 
NO_SAVE 
Max Response 
Time 
- 
Reference  Note 
For more detail used, can refer AT+STKTR command 
5.2.2 AT+STKENVS STK Envelope Command 
AT+STKENVS STK Envelope Command 
Response 
+STKENVS: <command_length>,<data_length> 
OK 
Test Command 
AT+STKENVS=? 
Parameter 
See Write Command 
Response 
OK 
Read Command 
AT+STKENVS? 
Parameter 
See Write Command 
Write Command 
AT+STKENVS=<
command>[,<data
Response 
OK 
ERROR 










