HUAWEI MG323 GSM M2M Module
AT Command Interface Specification Commands for Audio Control
Issue 02 (2010-11-23) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd. 203
15.5.3 Setting the Muting Function of the Microphone
Write
command
AT+CMUT=<n>
Function Sets the muting function of the microphone.
Response z In case of successful execution:
<CR><LF>OK<CR><LF>
z In case of an error: <CR><LF>ERROR<CR><LF>
z In case of an error related to the MT:<CR><LF> +CME ERROR:
<err><CR><LF>
Note:
z This command applies to both audio channels. The microphone will be restored to its default
setting after a call.
z This command can be used only during a call.