Specifications

Smart Machine Smart Decision
SIM900_AT Commands Manual_V1.07 93 2012.12.10
Parameter
See Write Command
Response
OK
If error is related to ME functionality:
+CME ERROR: <err>
Write Command
AT+CLVL=<leve
l>
Parameter
<level> 0-100 Integer type value with manufacturer specific range
(smallest value represents the lowest sound level)
Reference
GSM 07.07 [13]
Note
3.2.53 AT+CMUT Mute Control
AT+CMUT Mute Control
Response
+CMUT: (list of supported <n>s)
OK
Test Command
AT+CMUT=?
Parameter
See Write Command
Response
+CMUT: <n>
OK
If error is related to ME functionality:
+CME ERROR: <err>
Read Command
AT+CMUT?
Parameter
See Write Command
Response
OK
If error is related to ME functionality:
+CME ERROR: <err>
Write Command
AT+CMUT=<n>
Parameter
<n> 0 Mute off
1 Mute on
Reference
GSM 07.07 [13]
Note
Only during a call this command can be set successfully.
3.2.54 AT+CPUC Price Per Unit and Currency Table
AT+CPUC Price Per Unit and Currency Table