Multitech MVP 800 Dokumentacja Pobierz pdf (Strona 91)

 Chapter5–ConfiguringthePhoneBook

MultiVOIP®Voice/FaxoverIPGateways 91

ConfiguringAlternateRouting

AlternateroutingprovidesanalternatepathforcallsiftheprimaryIPnetworkcannotcarrythetraffic.

Sometimesduringfailure,calltrafficistemporarilydivertedintothePSTN.However,youalsousealternate

routingtodiverttraffictoaredundant(backup)unitincaseoneVOIPunitfails.

Alternateroutingfacilitates

PSTNFailoverprotection.Itallowsyoutore‐routeVOIPcallsautomaticallyoverthe

PSTNiftheVOIPsystemfails.YoucanprogramtheMultiVOIPtorespondtoexcessivedelaysinthetransmission

ofvoicepackets,whichtheMultiVOIPinterpretsasafailureoftheIPnetwork.Upondetectingan

excessive

delayintransmissionofvoicepackets(overlyhigh“latency”inthenetwork)theMultiVOIPdivertsthecallto

anotherIPaddress,whichitselfisconnectedtothePSTN(forexample,viaanFXOportontheself‐same

MultiVOIPisconnectedtothePSTN).

Tosetupalternaterouting:

1. ClickAdvanced.TheAlternateRoutingwindowopens.

2. SpecifytheIPaddressofthealternaterouteforeachdestinationpatternentryintheOutboundPhonebook.



Thefollowingtabledescribesalternateroutingfields.

AlternateRoutingFieldDefinitions

FieldName Values Description

AlternateIP

Address

n.n.n.n Alternatedestinationforoutbounddatatrafficifexcessivedelayindatatransmission.

RoundTrip

Delay

Defaultis300

milliseconds

TheRoundTripDelaydetermineswhenadatapathwayisconsideredblocked.Whenthe

delayexceedsthethresholdspecifiedhere,thedatastreamisdivertedtothe alternate

destinationspecifiedastheAlternateIPAddress.

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Multitech MVP 800 Dokumentacja Strona 91