Quectel EC25

LTE Module Series
EC25&EC21 AT Commands Manual
EC25&EC21_AT_Commands_Manual 189 / 231
12.2. AT+CMUT Mute Control
The command is used to enable/disable the uplink voice muting during a voice call.
Parameter
This parameter will not be saved and must be set during the call.
12.3. AT+QAUDLOOP Enable/Disable Audio Loop Test
The command is used to enable/disable audio loop test.
AT+CMUT Mute Control
Test Command
AT+CMUT=?
Response
+CMUT: (list of supported <n>s)
OK
Read Command
AT+CMUT?
Response
+CMUT: <n>
OK
Write Command
AT+CMUT=<n>
Response
OK
If there is any error related to ME functionality:
+CME ERROR: <err>
Maximum Response Time
300ms
Reference
3GPP TS 27.007
<n> 0 Mute OFF
1 Mute ON
AT+QAUDLOOP Enable/Disable Audio Loop Test
Test Command
AT+QAUDLOOP=?
Response
+QAUDLOOP: (0,1)
NOTE