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Sierra Wireless RJ-11 Network Card User Manual

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Rev 3.0 B 2/29/08 29

Figure 2-6: Host RJ-11 IP Gateway: Phone Number Translation Passerelle IP

RJ-11 : Conversion des numéros de téléphone

TheDefaultTranslationentryisusedifthedialedphone

numberisnotfoundinthelist.(Thedialbackupnumberisnot

usedintheHostRJ‐11IPGateway.)Thephonenumbertable

hasanumberoffeaturestoeaseinitialconfiguration.Whenan

attacheddevicedialsanumber

thatisnotinthetable,the

deviceservercreatesadummyentryinthetable.Thisentry

willconsistofjustthephonenumber.Untilyoufillinthe

remainderoftheentry(IPAddress/HostnameandPort)and

saveit,thisentrywillnotbeused.

Onceyouhavecreatedandsavedanentryinthetable,alink

totheassociatedentryontheProtocolSettingspageappears

ontheright.Iftheprotocolisnotyetdefined,thislink,“Define

protocol”,willcreateanewentryontheProtocolSettings

page,otherwisethelinkwill

be“Editprotocol”.

Thetranslationtablescreenallowsyoutoaddupto5new

entriesatatime.Atotalof64entriesmaybeconfigured

includingthedefaultentry.

Intheexampleabove,iftheattacheddevicedials18005551212,

theportwillbeconnectedtothehostat192.168.13.100onTCP

port5004.Thishostisnotyetdefined,soitwillusethedefault

TCPprotocol.Iftheattacheddevicedialsanyothernumber,

theportwillbeconnected

todefault.eairlink.com:5003,whose 

protocolisdefined.Andtheterminalhasactuallydialed555‐

1212,generatinganautomatic,butnotyetsaved,entry.

Network Translation

TheHostRJ‐11IPGatewayiscapable ofaccepting incoming

TCPconnectionsandredirectingthemtoremoteTCPhosts.

Thisfunctionalityiscallednetworktranslationandbehaves

muchlikeaTCP“pipe”betweentwosystems.TheHostRJ‐11

IPGatewayalsousesNetworkTranslationtoallowconnec

‐

tionstotheweb‐baseinterfaceonaportotherthanthehttp

protocoldefinedportof80whichisfrequentlyblockedby

cellularcarriers.

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