Reading The Current Speaker Volume; Setting The Speaker Volume; At+Cmut - Command For Muting And Unmuting The Microphone - Huawei MG323 At Command Interface Specification

HUAWEI MG323 GSM M2M Module
AT Command Interface Specification

15.4.2 Reading the Current Speaker Volume

Read
command
Function
Response

15.4.3 Setting the Speaker Volume

Write
command
Function
Response
Note:
15.5 AT+CMUT - Command for Muting and Unmuting the
Microphone
The AT+CMUT command is used to mute and unmute the microphone.
Issue 02 (2010-11-23)
AT+CLVL?
Reads the current speaker volume.
In case of successful execution:
<CR><LF>+CLVL: <n><CR><LF>
<CR><LF>OK<CR><LF>
In case of an error: <CR><LF>ERROR<CR><LF>
AT+CLVL=<n>
Sets the speaker volume.
In case of successful execution:
<CR><LF>OK<CR><LF>
In case of an error: <CR><LF>ERROR<CR><LF>
In case of an error: related to the MT: <CR><LF> +CME
ERROR: <err><CR><LF>
This command applies to both audio channels. You can set the volume level to 1, 2, 3, 4, or
5 before or during a call and the setting remains effective even after the module is powered
off. You can set the volume level to 0 to mute the speaker only during a call. After the call
ends, the speaker volume is restored to the volume level before the speaker is muted.
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Commands for Audio Control
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