Axis C12 Series - Page 29

AXISC12Series
Thedeviceinterface
•TLSport:ThenetworkportusedforencryptedSIPcommunication.Thesignalingtrafcthroughthisportisencrypted
withTransportLayerSecurity(TLS).Thedefaultportnumberis5061.Enteradifferentportnumberifrequired.
•RTPstartport:ThenetworkportusedfortherstRTPmediastreaminaSIPcall.Thedefaultstartportnumberis
4000.SomerewallsblockRTPtrafconcertainportnumbers.
NATtraversal
UseNAT(NetworkAddressTranslation)traversalwhenthedeviceislocatedonanprivatenetwork(LAN)andyouwantto
makeitavailablefromoutsideofthatnetwork.
Note
ForNATtraversaltowork,theroutermustsupportit.TheroutermustalsosupportUPnP®.
EachNATtraversalprotocolcanbeusedseparatelyorindifferentcombinationsdependingonthenetworkenvironment.
•ICE:TheICE(InteractiveConnectivityEstablishment)protocolincreasesthechancesofndingthemostefcient
pathtosuccessfulcommunicationbetweenpeerdevices.IfyoualsoenableSTUNandTURN,youimprovetheICE
protocol’schances.
•STUN:STUN(SessionTraversalUtilitiesforNAT)isaclient-servernetworkprotocolthatletsthedevicedetermineif
itislocatedbehindaNATorrewall,andifsoobtainthemappedpublicIPaddressandportnumberallocatedfor
connectionstoremotehosts.EntertheSTUNserveraddress,forexample,anIPaddress.
•TURN:TURN(TraversalUsingRelaysaroundNAT)isaprotocolthatletsadevicebehindaNATrouterorrewallreceive
incomingdatafromotherhostsoverTCPorUDP.EntertheTURNserveraddressandthelogininformation.
Audio
•Audiocodecpriority:SelectatleastoneaudiocodecwiththedesiredaudioqualityforSIPcalls.Drag-and-dropto
changethepriority.
Note
Theselectedcodecsmustmatchthecallrecipientcodec,sincetherecipientcodecisdecisivewhenacallismade.
•Audiodirection:Selectallowedaudiodirections.
Additional
•UDP-to-TCPswitching:SelecttoallowcallstoswitchtransportprotocolsfromUDP(UserDatagramProtocol)toTCP
(TransmissionControlProtocol)temporarily.Thereasonforswitchingistoavoidfragmentation,andtheswitchcan
takeplaceifarequestiswithin200bytesofthemaximumtransmissionunit(MTU)orlargerthan1300bytes.
•Allowviarewrite:SelecttosendthelocalIPaddressinsteadoftherouter'spublicIPaddress.
•Allowcontactrewrite:SelecttosendthelocalIPaddressinsteadoftherouter'spublicIPaddress.
•Registerwithserverevery:SethowoftenyouwantthedevicetoregisterwiththeSIPserverfortheexisting
SIPaccounts.
•DTMFpayloadtype:ChangesthedefaultpayloadtypeforDTMF.
SIPaccounts
AllcurrentSIPaccountsarelistedunderSIPaccounts.Forregisteredaccounts,thecoloredcircleletsyouknowthestatus.
TheaccountissuccessfullyregisteredwiththeSIPserver.
Thereisaproblemwiththeaccount.Possiblereasonscanbeauthorizationfailure,thattheaccountcredentialsarewrong,
orthattheSIPservercan’tndtheaccount.
Thepeertopeer(default)accountisanautomaticallycreatedaccount.Youcandeleteitifyoucreateatleastoneotheraccount
andsetthataccountasdefault.ThedefaultaccountisalwaysusedwhenaVAPIX®ApplicationProgrammingInterface(API)call
ismadewithoutspecifyingwhichSIPaccounttocallfrom.
Account:ClicktocreateanewSIPaccount.
•Active:Selecttobeabletousetheaccount.
•Makedefault:Selecttomakethisthedefaultaccount.Theremustbeadefaultaccount,andtherecanonly
beonedefaultaccount.
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