AXISC1004-ENetworkCabinetSpeaker
VoiceoverIP(VoIP)
ICEincreasesthechancesofndingthemostefcientpathtosuccessfulcommunicationbetweenpeerdevices.Ifyoualsoenable
STUNandTURN,youimprovetheICEprotocol’schancesofndingthemostefcientpathtosuccessfulcommunication.
SessionTraversalUtilitiesforNAT(STUN)
SessionTraversalUtilitiesforNAT(STUN)isaclient-servernetworkprotocolthatenablestheproducttoaskaSTUNserveronthe
InternetforamappedpublicIPaddress.TheSTUNserverresponseincludesthisIPaddressandportsothattheclientcanusethem
initsSIPmessagestootherhostsandclients.
LikeTURN,STUNcanbeusedinfull-cone,address-restrictedcone,andport-restrictedconeNATsetups.STUNisfastbecauseit
islightweight.However,STUNdoesnotallowincomingmessagesfromsymmetricNATs,anditcannotcommunicatewithapeer
behindthesameNATdevice.
TraversalUsingRelaysaroundNAT(TURN)
TraversalUsingRelaysaroundNAT(TURN)isaclient-servernetworkprotocolthatenablestheproducttoaskaTURNserverfora
relayedIPaddress.TheTURNserverrespondswithitsIPaddressandportsothattheclientcanusetheminitsSIPmessages.
TURNisprimarilyusedinsymmetricNATsetups.LikeSTUN,TURNcanalsobeusedinfull-cone,address-restrictedcone,and
port-restrictedconeNATsetups.ButbecausetheIPaddressandportprovidedbytheTURNserverarethoseoftheTURNserver
itself,itworkslikearelaythatforwardsinformationtoandfromtheclient.ThismeansthatwhileTURNserversarereliable,
theysometimescauseabitoflatency.
TheAccountSettingsPage
TheAccountSettingspageallowsyoutosetupandmanageSIPaccounts.SeeCreateorEditAccountsonpage16.TheSIPaccounts
canbeveriedbyusingTestSIPCall.SeeMakeTestCallsonpage18.
TheAccountSettingspagealsoincludesanaccountlistthatshowsanoverviewoftheSIPaccountsettings,including:
•Name.SeealsoAccountInformationonpage17.
•SIPaddress.SeealsoAboutSIPAddressesonpage19.
•Transportmode.SeealsoTransportSettingsonpage18.
•Default.SeealsoAccountInformationonpage17.
•Registrationstatus.SeeRegistrationStatusonpage16.
RegistrationStatus
Theaccountstatusisindicatedwithdotsindifferentcolors.Formoredetailedinformationaboutanaccount’sstatus,hoverthe
mousepointeroverthestatusdotorselecttheaccountintheaccountlistandclickModify.
SIPdisabled–SIPisdisabled.
Accountnotregistered–TheSIPaccountisnotregisteredwithaPBX,ortheSIPaccountisapeer-to-peeraccount
whichdoesnotregisteritself.
Provisional–Theproductistryingtoregistertheaccount.
Redirection–Theaccountoraddressneedstoberedirected.
Successful–TheaccounthassuccessfullyregisteredwiththeSIPregistrar.
Failure–Thereisaproblemwiththeaccount,suchastheaccountcredentialsarewrong.
CreateorEditAccounts
TosetupaSIPaccount:
16