Manual

Smart Machine Smart Decision
SIM800 Series_AT Command Manual_V1.09 103 2015-08-03
Response
OK
If error is related to ME functionality:
+CME ERROR: <err>
Write Command
AT+CALM=<mo
de>
Parameters
<mode> 0 Normal mode
1 Silent mode (all sounds from ME are prevented)
Parameter Saving
Mode
NO_SAVE
Max Response
Time
-
Reference
3GPP TS 27.007
[13]
Note
If CALM is set to silent mode before, when user sets CALM to normal
mode during an incoming call, the module maintains silent this time. But
next time the normal mode works.
3.2.46 AT+CALS Alert Sound Select
AT+CALS Alert Sound Select
Response
+CALS: (list of supported <n>s),(list of supported <switch>s)
OK
If error is related to ME functionality:
+CME ERROR: <err>
Test Command
AT+CALS=?
Parameters
See Write Command
Response
+CALS: <n>,<switch>
OK
If error is related to ME functionality:
+CME ERROR: <err>
Read Command
AT+CALS?
Parameters
See Write Command
Response
OK
If error is related to ME functionality:
+CME ERROR: <err>
Write Command
AT+CALS=<n>[,
<switch>]
Parameters
<n> 0-19 Alert sound type
<switch> 0 stop playing ring tone
1 start to play ring tone