LTE Module Series
EC25&EC21 AT Commands Manual
EC25&EC21_AT_Commands_Manual 188 / 231
12 Audio Commands
12.1. AT+CLVL Loudspeaker Volume Level Selection
The command is used to select the volume of the internal loudspeaker of the MT.
Parameter
This parameter will not be saved.
AT+CLVL Loudspeaker Volume Level Selection
Response
+CLVL: (list of supported <level>s)
OK
Response
+CLVL: <level>
OK
Write Command
AT+CLVL=<level>
Response
OK
If there is any error related to ME functionality:
+CME ERROR: <err>
<level> Integer type value (0-3-5) with manufacturer specific range (Smallest value represents
the lowest sound level)