Multitech MVP 800 Specifikace stáhnout pdf (Strana 65)

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

MultiVOIP®Voice/FaxoverIPGateways 65

SPPCallSignalingParameterDefinitions

FieldName Values Description

Mode Direct,Client,

orRegistrar

Indirectmode,allVOIPgatewayshavestaticIPaddressesassignedtothem.

Inregistrar/clientmode,oneVOIPgatewayservesasregistrarandallothergateways,beingits

clients,pointtothatregistrar.TheregistrarassignsIPaddressesdynamically.

GeneralOptions 

Port port TheUDPportonwhichdatatransmissionoccurs.EachclientVOIPhasitsownport.Iftwoclient

VOIPsarebothbehindthesamefirewall,thentheymusthavedifferentportsassignedtothem.

Iftherearetwoclientsandeachisbehindadifferentfirewall,thentheclientscouldhave

differentportnumbersorthesameportnumber.

(Defaultportnumber=10000.)

Re‐transmission 50‐5000ms Ifpacketsarelost(asindicatedbyabsenceofanacknowledgment)thentheendpoint

retransmitsthelostpacketsafterthisdesignatedtimedurationhaselapsed.(Defaultvalue=

2000milliseconds.)

MaxRe‐

transmission

0‐20 NumberoftimestheVOIPre‐transmitsalostpacket(ifnoacknowledgmenthasbeenreceived).

(Defaultvalue=3)

ClientOptions ClientOptionfieldsareactiveonlyinregistrar/clientmodeandonlyforclientVOIPunits.

PrimaryRegistrar ‐‐ ThisisthepreferredSPPregistrargatewayforcontrollingthetrafficofthecurrentVOIP.

AlternateRegistrar

1and2

‐‐ AfirstandasecondalternateSPPRegistrargatewaycanbespecifiedforusebythecurrent

VOIPforsituationswherethePrimaryRegistrargatewayisbusyorotherwiseunavailable.

RegistrarIPAddress n.n.n.n ThisistheIPaddressoftheregistrarVOIPtowhichthisclientisassigned.(Defaultvalue=

0.0.0.0;effectively,thereisnousefuldefaultvalue.)

RegistrarPort 10000or

other

ThisistheportnumberoftheregistrarVOIPtowhichthisclientisassigned.(Defaultport

number=10000.)

PollingInterval integer

60‐300

TheintervalbetweentheVOIPgateway’ssuccessiveattemptstoconnecttoandbegovernedby

ahigherlevelSPPregistrargateway.ThePrimaryRegistraristhehighestlevelregistrargateway.

AlternateRegistrar1issecond;AlternateRegistrar2isthelowestorderSPPregistrargateway.

RegistrarOptions RegistrarOptionfieldsareactiveonlyinregistrar/clientmodeandonlyforregistrarVOIPunits.

KeepAlive 30–300

(seconds)

Time‐outdurationbeforearegistrarun‐registersaclientthatdoesnotsendits“I’mhere”

signal.Clientnormallysendsits“I’mhere”signalevery20seconds.Timeoutdefault=60

seconds.

Proxy/NATDeviceParameters

BehindProxy/NAT

device

Y/N EnablesMultiVOIP(runninginSPPRegistrarmode)tooperate‘behind’aproxy/NATdevice

(NAT=NetworkAddressTranslation).

Proxy/NATDevice

Parameters–Public

IPAddress

n.n.n.n ThepublicIPaddressoftheproxy/NATdevicewhichtheMultiVOIPisbehind.



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