Specifications

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3GPPTS27.007ATCOMMANDS
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HSPA+ATCommandsReferenceGuide 70
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Syntax
Command Commandtype
AT+CSSN=[<n>[,<m>]] Set
AT+CSSN? Read
AT+CSSN=? Test
ParametersandValues
<n> Setsthe+CSSIresultcodepresentationstatus.
0 Disable.
1 Enable.
When<n>=1andasupplementary servicenotificationisreceivedafteramobileoriginatedcallsetup,an
unsolicitedcode:
+CSSI:<code1>
issenttoTEbeforeanyotherMOcallsetupresultcodes,where:
<code1> 
1 Someoftheconditionalcallforwardingsareactive.
2 Callisforwarded.
3 Calliswaiting.
5 Outgoingcallsarebarred.
6 Incomingcallsarebarred.

<m> Setsthe+CSSUresultcodepresentationstatus
0 Disable
1 Enable
When<m>=1andasupplementaryservicenotificationisreceived duringamobileterminatedcallsetupor
duringacall,anunsolicitedresultcode:
+CSSU:<code2>
issenttoTE,where:
<code2> 
0 Thisisaforwardedcall(MTcallsetup).
2 Callisputonhold(duringavoicecall).
3 Callisretrieved(duringavoicecall).
Notes
 Reference:3GPPTS27.007.
ClosedUserGroup+CCUG
SetcommandallowscontroloftheClosedUserGroupsupplementaryservice[GSM02.85]
Readcommandreportsthecurrentvalueoftheparameters.