Specifications

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AUDIOCOMMANDS
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HSPA+ATCommandsReferenceGuide 318
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EchoCancellerConfiguration
HandsfreeEchoCanceller#SHFEC
Thiscommandhasnoeffectandisincludedforbackwardcompatibility.
Readcommandreportsthevalueof
<mode>,intheformat:
#SHFEC:
<mode>
Testcommandreturnsthesupportedrangeofvaluesof
<mode>.
Syntax
Command Commandtype
AT#SHFEC=[<mode>] Set
AT#SHFEC? Read
AT#SHFEC=? Test
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ParametersandValues
<mode> 
0‐1 Default:0.
Notes
 Valuereturnstodefaultafterpoweroff.
HandsetEchoCanceller#SHSEC
Setcommandenablesordisablestheechocancellerfunctiononaudiohandsetoutput.
Readcommandreportswhethertheechocancellerfunctiononaudiohandsetoutputiscurrentlyenabledornot,
intheformat:
#SHSEC:<mode>
Testcommandreturnsthesupportedrangeofvaluesfor<mode>.
Syntax
Command Commandtype
AT#SHSEC=<mode> Set
AT#SHSEC? Read
AT#SHSEC=? Test
ParametersandValues
<mode> 
0 Disablesechocancellerforhandsetmode.Default:0.
1 Enablesechocancellerforhandsetmode.
Notes
 Tosave<mode>valueinnon‐volatilememoryusetheAT&Wcommand.