Specifications

SIM900 AT Commands Set
SIM900_ATC_V1.01 91 23.06.2010
3.2.50 AT+CALS Alert Sound Select
AT+CALS Alert Sound Select
Response
+CALS: (list of supported <n>s)
OK
+CME ERROR: <err>
Test Command
AT+CALS=?
Parameter
See Write Command
Response
+CALS: <n>
OK
+CME ERROR: <err>
Read Command
AT+CALS?
Parameter
See Write Command
Response
OK
+CME ERROR: <err>
Write Command
AT+CALS=<n>
Parameter
<n> 0-19 alert sound type
Reference Note
3.2.51 AT+CRSL Ringer Sound Level
AT+CRSL Ringer Sound Level
Response
+CRSL: (list of supported <level>s)
OK
+CME ERROR: <err>
Test Command
AT+CRSL=?
Parameter
See Write Command
Response
+CRSL: <level>
OK
+CME ERROR: <err>
Read Command
AT+CRSL?
Parameter
See Write Command