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CUSTOMATCOMMANDS

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ATCommandsforHSPA‐H5Modem 228

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<listenPort> Locallisteningport.

1‐65535 

Notes

 Ifsuccessful,thecommandreturnsafinalresultcodeOK.

IftheListenAutoRspflagisnotsetthroughthecommandAT#SCFGEXT(forthespecificconnId),then,whenan

UDPconnectionrequestcomesontheinputport,ifthesenderisnotfilteredbyinternalfirewa ll(see#FRWL),

aURCisreceived:

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+SRING:<connId>

Afterwards,use#SAtoaccepttheconnectionor#SHtorefuseit.

IftheListenAutoRspflagisset,then,whenanUDPconnectionrequestcomesontheinputport,ifthesender

isnotfilteredbytheinternalfirewall(seecommand#FRWL),theconnectionisautomaticallyaccepted:

the

CONNECTindicationisgivenandthemodemgoesintoonlinedatamode.

IfthenetworkclosesthesocketthefollowingURCisreceived:

#SLUDP:ABORTED

 Whenclosingthelisteningsocketyoudonotneedtospecifythe<listenPort>value.

Examples

NextcommandopensasocketlisteningforUDPonport3500.

AT#SLUDP=1,1,3500

SocketAccept#SA

ExecutecommandacceptsanincomingsocketconnectionafteranURCSRING:<connId>.

Testcommandreportstherangeofvaluesforalltheparameters.

Syntax

Command CommandType

AT#SA=<connId>[,<connMode>] Execute

AT#SA=? Test

ParametersandValues

<connID> Socketconnectionidentifier.

1‐6 

<connMode> Connectionmode,asforcommand#SD.

0 Onlinemodeconnection.Default:0.

1 Commandmodeconnection.

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