Multitech MTR-C2 Specifications download pdf (Page 227)

CUSTOMATCOMMANDS



227 ATCommandsforHSPA‐H5Modems



Examples

NextcommandopensasocketlisteningforTCPonport3500without.

AT#SL=1,1,3500

Notes

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

 IftheListenAutoRspflaghasnotbeensetthroughthecommandAT#SCFGEXT(forthespecificconnId),then,

whenaTCPconnectionrequestcomesontheinputport,ifthesenderisnotfilteredbyinternalfirewall(see

#FRWL),anURCisreceived:

+SRING:<connId>

Youmustuse#SAcommandto

accepttheconne ctionor#SHcommandtorefuseit.

 IftheListenAutoRSPflagissetwhenaTCPconnectionrequestisreceivedonthelocallistening port,the

connectionisautomaticallyacceptedaslongastheIPaddressofthedeviceoriginatingtheconnectionhasbeen

definedintheinternalfirwewall(see#FRWL.)OnceacceptedtheCONNECTindicationisgiven

andthemodem

goesintoonlinedatamode.

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

SocketListenUDP#SLUDP

ThiscommandopensorclosesasocketlisteningforanincomingUDPconnectiononaspecifiedport.

ReadcommandreturnsalltheactuallisteningUDPsockets.

Testcommandreturnstherangeofsupportedvaluesforallthesubparameters.

Syntax

Command Commandtype

AT#SLUDP=<connId>,<listenState>,<listenPort>

AT#SLUDP? Read

AT#SLUDP=? Test

ParametersandValues

<connId> Socketconnectionidentifier.

1‐6 

<listenState> 

0 Closessocketlistening.

1 Startssocketlistening.

1 2 ... 222 223 224 225 226 227 228 229 230 231 232 ... 329 330

No comments

Multitech MTR-C2 Specifications Page 227