Specifications

3GPPTS27.007ATCOMMANDS
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47 HSPA+ATCommandsReferenceGuide
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<T2> Responsetimerforthemultiplexercontrolchannelinunitsoftenmilliseconds.
2‐255 Default:30(300ms).Note:T2mustbelongerthanT1.
<T3> Wakeupresponsetimerinseconds.
1‐255 Currentlynotsupported,incaseofreadcommand0isreturned.
<k> Windowsize,forAdvancedo
perationwithErrorRecoveryoptions.
1‐7 Currentlynotsupported.Forreadcommand,0isreturned.
Notes
 AlltheCMUXprotocolparametersarefixedasdefinedinGSM07.10andcannotbechanged.
 Reference:3GPPTS27.007,3GPPTS27.010.
CallControl
HangUpCall+CHUP
Executecommandcancelsallactiveandheldcalls,aswellasmulti‐partysessions,ifrunning.
TestcommandreturnstheOKresultcode.
Syntax
Command Commandtype
AT+CHUP Execute
AT+CHUP=? Test
Notes
 Reference:3GPPTS27.007.
SelectBearerServiceType+CBST
Setcommandsetsthebearerservice<name>withdatarate<speed>,andtheconnectionelement<ce>tobe
usedwhendatacallsoriginate.Thissettingisalsousedduringmobileterminat eddatacallsetup,incaseofsingle
numberingschemecalls.See+CSNS.
Readcommandreturnscurrentvalueoftheparameters<speed
>,<name>and<ce>.
Testcommandreturnsthesupportedrangeofvaluesfortheparameters.
Syntax
Command Commandtype
AT+CBST=[<speed>[,<name>[,<ce>]]] Set
AT+CBST? Read
AT+CBST=? Test