Multitech 410 Fax Machine User Manual


 
Chapter4ConfiguringYourMultiVOIP
MultiVOIP®Voice/FaxoverIPGateways 77
NATTraversal
SettingtheNATTraversalparameters.NAT(NetworkAddress Translation)parametersareapplicableonlywhen
theMultiVOIPisoperatinginSIPmode.STUN(SimpleTraversalofUDPthroughNATs(NetworkAddress
Translation))isaprotocolforassistingdevicesbehindaNATfirewallorrouterwiththeirpacketrouting.Thisis
notavailable
onthe–SSmodels.
ThefollowingtabledescribesNATTraversalfields.
NATTraversalDefinitions
FieldName Values Description
Enable(STUN) Y/N EnablesSTUNclientfunctionsintheMultiVOIP.
STUN(SimpleTraversalofUDPthroughNATs(NetworkAddressTranslation))isa
protocolthatallowsaservertoassistclientgatewaysbehindaNATfirewallorrouter
withtheirpacketrouting.
Name/IP(Server) n.n.n.n IPaddressoftheSTUNserver.
Port(Server;NAT/STUN) port;
default=
3478
Thedataport(TDMtimeslot)atwhichSTUNinfoistransmittedandreceived.
KeepAlive(Timers;
NAT/STUN)
603600
(seconds)
TheintervalatwhichtheSTUNclientsendsindicator(“KeepAlive”)packetstothe
STUNservertodeterminewhetherornottheSTUNserverisavailable.