Data Sheet
     Smart Machine Smart Decision 
SIM800 Series_AT Command Manual_V1.09  104  2015-08-03 
Parameter Saving 
Mode 
AT&W_SAVE 
Max Response 
Time 
- 
Reference 
Note 
3.2.47 AT+CRSL Ringer Sound Level 
AT+CRSL Ringer Sound Level 
Response 
+CRSL: (list of supported <level>s) 
OK 
If error is related to ME functionality: 
+CME ERROR: <err> 
 Test Command 
AT+CRSL=? 
Parameter 
See Write Command 
Response 
+CRSL: <level> 
OK 
If error is related to ME functionality: 
+CME ERROR: <err> 
Read Command 
AT+CRSL? 
Parameters 
See Write Command 
Response 
OK 
If error is related to ME functionality: 
+CME ERROR: <err> 
Write Command 
AT+CRSL=<leve
l> 
Parameters 
<level>  integer type value (0-100) with manufacturer specific range
Parameter Saving 
Mode 
AUTO_SAVE 
Max Response 
Time 
- 
Reference 
3GPP TS 27.007 
[13] 
Note 
3.2.48 AT+CLVL Loud Speaker Volume Level 
AT+CLVL Loud Speaker Volume Level 










