Specifications

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INTRODUCTION
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HSPA+ATCommandsReferenceGuide 18
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 Avoidplacingseveralactioncommandsinthesamecommandline.Ifonecommandfails,anerrormessageis
received.However,itisnotpossibletodeterminewhichcommandfailedtheexecution.
 IfcommandV1isenabled(verboseres ponsescodes)andallcommandsinacommandlineperformed
successfully,resultcode<CR><LF>OK<CR><LF>issentfromtheTAtotheTE,ifsubparametervaluesofa
commandarenotacceptedbytheTAorcommanditselfisinvalid,orcommandcannotbeperformedforso
me
reason,resultcode<CR><LF>ERROR<CR><LF>issentandnosubsequentcommandsinthecommandlineare
processed.
 IfcommandV0isenabled(numericresponsescodes),andallcommandsinacommandlineperformed
successfully,resultcode0<CR>issentfromtheTAtotheTE.Ifsub‐parametervaluesofacommandarenot
acceptedbytheTAorcommanditselfisinvalid,orcommandcannotbeperformedforsomereason,resultcode
4<CR>andnosubseque
ntcommandsinthecommandlineareprocessed.
 IncaseoferrorsdependingonMEoperation,ERROR(or4)responsemaybereplacedby+CMEERROR:<err>or
+CMSERROR:<err>.
Note:Thecommandlinebufferacceptsamaximumof80characters.Ifthisnumberisexceedednoneofthe
commandsareexecutedandTAreturnsERROR.
InformationResponsesAndResultCodes 
Forthepreviousexamples,ifverboseresponseformatisenabledtheterminaladapter(TA)responsemight
appearas:
 Informationresponseto+CMD1?
<CR><LF>+CMD1:2,1,10<CR><LF>
 Informationresponseto+CMD1=?
<CR><LF>+CMD1(0‐2),(0,1),(0‐15)<CR><LF>
 Finalresultcode
<CR><LF>OK<CR><LF>
Resultcode saccordingtoITU‐TV.25ter
Twotypesofresultcodesinclude:
 ResultcodesthatinformaboutprogressofTAoperation,forexampleconnectionestablishmentCONNECT.
 ResultcodesthatindicateoccurrenceofaneventnotdirectlyassociatedwithissuanceofacommandfromTE
(forexampleringindicationRING).
Numericform Verboseform
0 OK.
1 CONNECTorCONNECT<text>.
 where<text>canbe”300”,“1200”,“2400”,“4800”,“9600”,“14400”or“1200/75”.
2 RING.
3 NOCARRIER.
4 ERROR.
6 NODIALTONE.
7 BUSY.
8 NOANSWER.
10 CONNECT2400.