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ConnectionServer

TheConnectionServeristhecomponentthatclientslogintoinordertosendandreceivefaxes,and

administratorsconnecttoinordertomanageuseraccounts,inboundDIDroutingassignments,andsendrouting

rules.Itprovidessessiontracking,authentication,quotaandusagetrackingfunctions.

PortServer

ThePortServeristhecomponentthatfacilitatesSIP+T.38“VoIPFax”connectionswithmediagateways.Client

softwareinteractswiththeportserverusingHTTPorHTTPSconnections,usingareal‐timeprotocolthatisbetter

abletohandledelayscomparedtoapureT.38connection.ThemoretimingsensitiveT.38protocol

isonly

implementedbetweentheportserverandthemediagateway.Althoughclientsinteractdirectlywiththeport

server,theportserverdoesnotmaintainalistofaccounts.Sendandreceiveconnectionsarealwaysinitiatedfirst

betweentheconnectionserverandtheportserver,resultinginaunique“session

id”.Theportserverwillonly

interactwithclientsthatcanproducethissessionid.

HttpsProxy

TheHTTPSProxyisthecomponentthatenablesclientaccesstotheConnectionandPortServerssecurelyacross

theopenInternet.TheHTTPSProxyisanASP.NET2.0applicationhostedonanIISserver.

ImplementationOverview

WhichComponentsAreNeeded?

ThefewestcomponentsrequiredarejusttheConnectionServerandthePortServer.Thiswillallowsendingand

receivingoffaxesoverunsecuredHTTPthroughtheportservertoaT.38mediagateway.

ItisnotrecommendedtoputthePortServerdirectlyontheInternet.TheHTTPSProxyisused

toprovideInternet‐

accessiblesecurecommunication.

ImplementationPatterns

TherearethreegeneraltypesofNETSatisFAXtionIPPortServerinstallations.

SingleServer(Consolidated) 



Figure2‐2:SingleServerInstallation

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Faxback Port Server - Manual Manual do Utilizador Página 4