Manual
     Smart Machine Smart Decision 
SIM800 Series_AT Command Manual_V1.09  196  2015-08-03 
Parameters 
<mode> 
0 Disable Keypad detecting function 
1 Enable Keypad detecting function 
<value> The value of pressed or released keypad 
<event> The status of keypad 
0  Key released 
1  Key pressed 
Parameter Saving 
Mode 
- 
Max Response 
Time 
- 
Reference 
Note 
Part of the projects supported by this AT command, please refer to chapter 
21 for details. 
6.2.65 AT+SIMTONEX Custom Tones 
AT+SIMTONEX Custom Tones 
Response 
+SIMTONEX: 
(0,1),(10-500000),(20-20000),(0-20000),(200-25500),(10-25500),(0-4)... 
OK 
Test Command 
AT+SIMTONEX
=? 
Parameters 
See Write Command 
Response 
OK 
If error is related to ME functionality: 
+CME ERROR: <err> 
Unsolicited Result Code 
The playing is stopped or completed. 
+SIMTONEX: 0 
Write Command 
AT+SIMTONEX
=<mode>,<durat
ion>,<freq1>,<fr
eq2>,<periodOn
>,<periodOff>,<
nextIndex>[,<fre
q1>,<freq2>,<pe
riodOn>,<period
Off>,<nextIndex
>…] 
Parameters 
<mode> 0 Stop playing tone 
1  Start playing tone 
<duration> Duration of tones in milliseconds 
<freq1>  The first frequency of tone to be generated 
<freq2>  The second frequency of tone to be generated 
<periodOn>  The period of generating tone, must be multiple of 100 
<periodOff> The period of stopping tone, must be multiple of 100 
<nextIndex> The index of next tone to play 
Parameter Saving NO_SAVE 










