Specifications

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3GPPTS27.007ATCOMMANDS
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HSPA+ATCommandsReferenceGuide 98
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ParametersandValues
<n> Enableflag.
0 Disable+CMEERROR:<err>reports,useonlyERRORreport.
1 Enable+CMEERROR:<err>reports,with<err>innumericformat.
2 Enable+CMEERROR:<err>reports,with<err>inverboseformat.
Notes
 +CMEEhasnoeffectonthefinalresultcode+CMS.
 Reference:3GPPTS27.007.
VoiceControl
DTMFTonesTransmission+VTS
ExecutecommandallowsthetransmissionofDTMFtones.
Testcommandprovidesthelistofsupported<dtmf>sandthelistofsupported<duration>sintheformat:
(list of supported <dtmf>s)[,(list of supported <duration>s)]
Syntax
Command Commandtype
AT+VTS=<dtmfstring>[,duration] Execute
AT+VTS=? Test
ParametersandValues
<dtmfstring>
Stringof<dtmf>s;thatisASCIIcharactersintheset(09),#,*,(AD),P;itallowsthe
usertosendasequenceofDTMFtones,eachofthemwithadurationthatwas
definedthrough+VTDcommand
<duration>
Durationofatonein1/100sec.Thisparametercanbespecifiedifon
lyoneASCII
characterisusedinthedtmfstring.
0
AsingleDTMFtoneistransmittedforadurationdependingonthenetwork,no
matterwhatthecurrent+VTDsettingis.
1‐255
AsingleDTMFtoneistransmittedforatime<duration>(in10msmultiples),no
matterwhatth
ecurrent+VTDsettingis.

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Notes
 Thiscommandoperatesinvoicemodeonly.See+FCLASS.
 ThecharacterPdoesnotcorrespondtoanyDTMFtone,butitisinterpretedasapauseof3secondsbetween
theprecedingandsucceedingDTMFstringelements.
 Reference:3GPPTS27.007andTIAIS‐101.