HUAWEI MU509 HSDPA LGA Module
AT Command Interface Specification
Audio Commands
Issue 04 (2013-01-28)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
155
11
Audio Commands
11.1 ^SWSPATH–Switch Sound Path
11.1.1
Command Syntax
Command
Possible response(s)
^SWSPATH=<n>
<CR><LF>OK<CR><LF>
<CR><LF>ERROR<CR><LF>
^SWSPATH?
<CR><LF>^SWSPATH:
<n><CR><LF><CR><LF>OK<CR><LF>
^SWSPATH=?
<CR><LF>^SWSPATH: (list of supported
<n>s)<CR><LF><CR><LF>OK<CR><LF>
11.1.2
Description
This command is used to set sound path in voice call. Resetting the module will not
affect the value. Module updating will reset the value to default value.
The READ command is used to query the current sound path.
The TEST command is used to query the supported sound paths.
11.1.3
Defined Values
<n>:
0: Handset (default value)
1: Speaker
2: PCM
3: Ear 1 and MIC 2 (that is, the combination of handset ear and speaker MIC)