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Chapter4–ConfiguringYourMultiVOIP

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

DIDParameters

TheparametersapplicabletotheDirectInwardDial(DID)telephonyinterfacetypeareshowninthefigurethat

followsanddescribedinthetablethatfollows.The–SSand–FXmodelsdonotsupportDID.



TheDIDinterfaceallowsonephonelinetodirectincomingcallstoanyoneof

severalextensionswithouta

switchboardoperator.Ofcourse,oneDIDlinecanhandleonlyonecallatatime.Theparametersapplytothe

customer‐premisessideoftheDIDconnection(DID‐DPO,dial‐pulseoriginating).ThenetworksideoftheDID

connection(DID‐DPT,dial‐pulseterminating)isnotsupported.



DIDInterfaceParameterDefinitions

FieldName Values Description

Interface DID‐DPO Enablesthecustomer‐premisessideofDIDfunctions

DIDOptions MultiVOIP’suseofDIDappliesonlyforincomingDIDcalls.TheStartMode

usedbytheMultiVOIPmustmatchthatusedbytheoriginatingtelephony

equipment;elseDIDcallscannotbecompleted.

StartModes ImmediateStart,

WinkStart,

DelayDial



ForImmediateStart,theVOIPdetectstheoff‐hookconditioninitiatedby

thetelcocentral‐officecallandbecomesreadytoreceivedialdigits

immediately.

ForWinkStart,theVOIPdetectstheoff‐hookcondition.ThentheVOIP

reversesbatterypolarity

foraspecifiedtime(140‐290ms;a“wink”)and

thenbecomesreadytoreceivedialdigits.

ForDelayDial,theVOIPdetectstheoff‐hookcondition.ThentheVOIP

reversesbatterypolarityforaspecifiedtime(reversepolaritydurationhas

wideracceptablerangethanforWinkStart)andthenbecomesreadyto

receivedialdigits.

WinkTimer

(inms)

Integervalues,

inmilliseconds

ThisisthelengthofthewinkforWinkStartandDelayDialsignalingmodes.

ApplicableonlywhenStartModeparameterissetto“WinkStart”or“Delay

Dial.”

DialingOptions

InterDigitTimer Integervalues,

inseconds

ThisisthelengthoftimethattheMultiVOIPwaitsbetweendigits.Whenthe

timeexpires,theMultiVOIPlooksinthephonebookforthenumberentered.

Default=2.

MessageWaiting

Indication

‐‐ NotapplicabletoDID‐DPOinterface.

Inter‐Digit

RegenerationTimer

Integervalues,

inmilliseconds

Thisparameterisapplicablewhendigitsaredialedontoa DID‐DPOchannel

aftertheconnectionhasbeenmade.Thelengthoftimebetweenthe

outputtingofDTMFdigits.

Default=100ms.



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