Multitech 410 Manual

A SERVICE OF

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

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

Add/EditOutboundPhoneBook:FieldDefinitions(continued)

FieldName Values Description

SIPFields

UseProxy Y/N Selectifproxyserverisused.

Transport

Protocol

TCPor

UDP

VOIPadministratormustchoosebetweenUDPandTCPtransmissionprotocols.

UDPisahigh‐speed,low‐overheadconnectionlessprotocolwheredatais

transmittedwithoutacknowledgment,guaranteeddelivery,orguaranteed

packetsequenceintegrity.TCPisslowerconnection‐orientedprotocolwith

greateroverhead,buthavingacknowledgmentandguarantees

deliveryand

packetsequenceintegrity.

SIPPort

Number

5060orother

*SeeRFC3087(“Controlof

ServiceContextusingSIP

Request‐URI,”bytheNetwork

WorkingGroup).

TheSIPPortNumberisaUDPlogicalportnumber.TheVOIP“listens”forSIP

messagesatthislogicalport.IfSIPisused,5060isthedefault,standardor“well

known”portnumberused.If5060isnotused,thentheportnumberistheone

specifiedintheSIPRequestURI(UniversalResourceIdentifier).

SIPURL sip.userphone@hostserver,

where“userphone”isthe

telephonenumberand

“hostserver”isthedomain

nameoranaddressonthe

network

Lookingsimilartoanemailaddress,aSIPURLidentifiesauser'saddress.

InSIPcommunications,eachcallerorcalleeisidentifiedbyaSIPURL:

sip:user_name@host_name.The

formatofasipURLisverysimilartoanemail

address,exceptthatthe“sip:“prefixisused.

SPPFields The–SSseriesofMultiVOIPsdonotsupportSPP

UseRegistrar Y/N

SelectthischeckboxtouseregistrarwhenVOIPsystemisoperatinginthe

“Registrar/Client”SPPmode.Inthismode,oneVOIP(theregistrar,assetin

PhonebookConfigurationwindow)hasastaticIPaddressandallotherVOIPs

(clients)pointtotheregistrar’sIPaddressasfunctionallytheir

own.However,if

yourVOIPsystemoverallisoperatingin“Registrar/Client”modebutyouwant

tomakeanexceptionanduseDirectmodeforthedestinationpatternofthis

particularAdd/EditPhonebookentry,leavethischeckboxunselected.Alsodo

notselectthisifyouroverallVOIPsystemisoperatingin

theDirectSPPmode–

inthismodeallVOIPsarepeerswithuniquestaticIPaddresses.

PortNumber numeric Whenoperatingin“Registrar/Client”mode,thisistheportbywhichthe

gatewayreceivesallSPPdataandcontrolmessagesfromtheregistrargateway.

(ThisabilitytoreceivealldataandmessagesviaoneportallowstheVOIPto

operatebehindafirewallwithonlyoneportopen.)



Whenoperatingin“Direct”mode,thisisthePortbywhichpeerVOIPsreceive

dataandmessages.

Alternate

Phone

Number

numeric PhonenumberassociatedwithalternateIProuting.

Remote

Deviceis

[legacyVOIP]

Y/N Whenchecked,thisMultiVOIPcanoperatewith‘first‐generation’MultiVOIP

unitsinthesameIPnetwork.TheseincludeMVP‐110/120/200/400/800.

Thisisnotavailableforthe–SSseriesofMultiVOIPs.

Advanced

button

GivesaccesstosecondarywindowwhereanAlternateIPRoutecanbespecifiedforbackuporredundancyof

signalpaths.ForSIP&H.323operationonly.

