Multitech 810-FX Fax Machine User Manual


 
Chapter4ConfiguringYourMultiVOIP
MultiVOIP®Voice/FaxoverIPGateways 65
SPPCallSignalingParameterDefinitions
FieldName Values Description
Mode Direct,Client,
orRegistrar
Indirectmode,allVOIPgatewayshavestaticIPaddressesassignedtothem.
Inregistrar/clientmode,oneVOIPgatewayservesasregistrarandallothergateways,beingits
clients,pointtothatregistrar.TheregistrarassignsIPaddressesdynamically.
GeneralOptions
Port port TheUDPportonwhichdatatransmissionoccurs.EachclientVOIPhasitsownport.Iftwoclient
VOIPsarebothbehindthesamefirewall,thentheymusthavedifferentportsassignedtothem.
Iftherearetwoclientsandeachisbehindadifferentfirewall,thentheclientscouldhave
differentportnumbersorthesameportnumber.
(Defaultportnumber=10000.)
Retransmission 50‐5000ms Ifpacketsarelost(asindicatedbyabsenceofanacknowledgment)thentheendpoint
retransmitsthelostpacketsafterthisdesignatedtimedurationhaselapsed.(Defaultvalue=
2000milliseconds.)
MaxRe
transmission
0‐20 NumberoftimestheVOIPretransmitsalostpacket(ifnoacknowledgmenthasbeenreceived).
(Defaultvalue=3)
ClientOptions ClientOptionfieldsareactiveonlyinregistrar/clientmodeandonlyforclientVOIPunits.
PrimaryRegistrar ‐‐ ThisisthepreferredSPPregistrargatewayforcontrollingthetrafficofthecurrentVOIP.
AlternateRegistrar
1and2
‐‐ AfirstandasecondalternateSPPRegistrargatewaycanbespecifiedforusebythecurrent
VOIPforsituationswherethePrimaryRegistrargatewayisbusyorotherwiseunavailable.
RegistrarIPAddress n.n.n.n ThisistheIPaddressoftheregistrarVOIPtowhichthisclientisassigned.(Defaultvalue=
0.0.0.0;effectively,thereisnousefuldefaultvalue.)
RegistrarPort 10000or
other
ThisistheportnumberoftheregistrarVOIPtowhichthisclientisassigned.(Defaultport
number=10000.)
PollingInterval integer
60‐300
TheintervalbetweentheVOIPgateway’ssuccessiveattemptstoconnecttoandbegovernedby
ahigherlevelSPPregistrargateway.ThePrimaryRegistraristhehighestlevelregistrargateway.
AlternateRegistrar1issecond;AlternateRegistrar2isthelowestorderSPPregistrargateway.
RegistrarOptions RegistrarOptionfieldsareactiveonlyinregistrar/clientmodeandonlyforregistrarVOIPunits.
KeepAlive 30300
(seconds)
Timeoutdurationbeforearegistrarunregistersaclientthatdoesnotsendits“I’mhere”
signal.Clientnormallysendsits“I’mhere”signalevery20seconds.Timeoutdefault=60
seconds.
Proxy/NATDeviceParameters
BehindProxy/NAT
device
Y/N EnablesMultiVOIP(runninginSPPRegistrarmode)tooperate‘behind’aproxy/NATdevice
(NAT=NetworkAddressTranslation).
Proxy/NATDevice
ParametersPublic
IPAddress
n.n.n.n ThepublicIPaddressoftheproxy/NATdevicewhichtheMultiVOIPisbehind.