Siemens MC35 - Manual (Page 82)

AT Command Set
MC35_ATC_01_V03.02 Page 82 of 228 13.03.2002
4.21 AT+CLVL Loudspeaker volume level
Test command
AT+CLVL=?
Response
+CLVL: (list of supported <level>s)OK
Read command
AT+CLVL?
Response
+CLVL: <level>
OK/ERROR/+CME ERROR
Write command
AT+CLVL=<level>
Response
OK/ERROR/+CME ERROR
Parameter
<level> Loudspeaker Volume Level (0-4)
Reference
GSM 07.07
Note
• The volume level cannot be modified in audio mode 1.
• The changed volume level will not be saved with AT^SNFW, instead it
will be saved after AT^SMSO only.