Filter
Top Products
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.
200
15.3.3 Setting the Echo Suppressing Function
Write
command
AT^ECHO=<n>
Function
Sets the echo suppressing function.
Reponse
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 errorrelated to the MT: <CR><LF> +CME ERROR:
<err><CR><LF>
Note:
This command applies to both audio channels, but it can be executed only before a call is
initiated.
15.4 AT+CLVL - Command for Adjusting the Speaker
Volume
The AT+CLVL command adjusts the speaker volume.
15.4.1 Querying the Supported Speaker Volume Level
Test
command
AT+CLVL=?
Function
Queries the supported speaker volume levels.
Response
z
In case of successful execution:
<CR><LF>+CLVL: (list of supported <n>s) <CR><LF>
<CR><LF>OK<CR><LF>
z
In case of an error: <CR><LF>ERROR<CR><LF>
Parameter description
<n>: integer; value range: 0 to 5.
z
1: minimum volume
z
5: maximum volume
z
0: speaker muted
z
4: default value