Technical information

Table Of Contents
Audio
3-196 AT Commands Reference Manual January 31, 2007
Example
AT+CLVL?
+CLVL: 7
OK
AT+CLVL=?
+CLVL: (0-7)
OK
AT+CLVL=3
OK
+CMUT, Mute/Unmute Currently Active Microphone Path
This command is used to mute/unmute the currently active microphone path by overriding the
current mute state.
The following table shows the +CMUT parameters.
Example
AT+CMUT=?
+CMUT:(0-1)
OK
AT+CMUT?
+CMUT: 0 uplink voice is unmuted
OK
AT+CMUT=1 uplink voice is muted
OK
AT+CMUT?
+CMUT: 1
Command Type Syntax Response/Action Remarks
Set
+CMUT=<state> OK
or:
+CME ERROR: <err>
The Set command enables/disables
uplink voice muting during a voice
call.
Read
+CMUT? +CMUT: <state>
OK
The Read command returns the current
uplink voice mute/unmute state.
Test
+CMUT=? +CMUT: (list of
supported <state>s)
OK
The Test command returns the possible
<state> values.
Table 3-132: +CMUT Parameters
<Parameter> Description
<n> 0 Unmute microphone path
1 Mute microphone path