Reading The Current Audio Channel; Switching The Audio Channel; At+Cmic - Command For Adjusting The Microphone Gain Level; Querying The Supported Microphnoe Gain Levels - Huawei MG323 At Command Interface Specification

HUAWEI MG323 GSM M2M Module
AT Command Interface Specification

15.1.2 Reading the Current Audio Channel

Read
command
Function
Response

15.1.3 Switching the Audio Channel

Write
command
Function
Response
Note:
The audio channel is kept in the channel that is used in the last call after the call ends. If the
module is restarted, the audio channel will be reset to the first channel.
15.2 AT+CMIC - Command for Adjusting the Microphone
Gain Level
The AT+CMIC command adjusts the the mircophone gain level.

15.2.1 Querying the Supported Microphnoe Gain Levels

Test
command
Function
Response
Issue 02 (2010-11-23)
AT^SWSPATH?
Reads the current audio channel.
In case of successful execution:
<CR><LF>^SWSPATH: <n><CR><LF>
<CR><LF>OK<CR><LF>
In case of an error: <CR><LF>ERROR<CR><LF>
AT^SWSPATH=<n>
Switches the audio channel.
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>
AT+CMIC=?
Queries the supported microphnoe gain levels.
In case of successful execution:
<CR><LF>+CMIC: (list of supported <level>s) <CR><LF>
<CR><LF>OK<CR><LF>
In case of an error: <CR><LF>ERROR<CR><LF>
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Commands for Audio Control
197