Axis M3116-LVE - Page 43

AXISM31NetworkCameraSeries
Thedeviceinterface
RTPstartport:ThenetworkportusedfortherstRTPmediastreaminaSIPcall.Thedefaultstartportnumberis4000.
SomerewallsblockRTPtrafconcertainportnumbers.
NATtraversal
UseNAT(NetworkAddressTranslation)traversalwhenthedeviceislocatedonanprivatenetwork(LAN)andyouwantto
makeitavailablefromoutsideofthatnetwork.
Note
ForNATtraversaltowork,theroutermustsupportit.TheroutermustalsosupportUPnP®.
EachNATtraversalprotocolcanbeusedseparatelyorindifferentcombinationsdependingonthenetworkenvironment.
ICE:TheICE(InteractiveConnectivityEstablishment)protocolincreasesthechancesofndingthemostefcientpathtosuccessful
communicationbetweenpeerdevices.IfyoualsoenableSTUNandTURN,youimprovetheICEprotocol’schances.
STUN:STUN(SessionTraversalUtilitiesforNAT)isaclient-servernetworkprotocolthatletsthedevicedetermineifitislocated
behindaNATorrewall,andifsoobtainthemappedpublicIPaddressandportnumberallocatedforconnectionstoremotehosts.
EntertheSTUNserveraddress,forexample,anIPaddress.
TURN:TURN(TraversalUsingRelaysaroundNAT)isaprotocolthatletsadevicebehindaNATrouterorrewallreceiveincoming
datafromotherhostsoverTCPorUDP.EntertheTURNserveraddressandthelogininformation.
Audioandvideo
Audiocodecpriority
SelectatleastoneaudiocodecwiththedesiredaudioqualityforSIPcalls.Drag-and-droptochangethepriority.
Note
Theselectedcodecsmustmatchthecallrecipientcodec,sincetherecipientcodecisdecisivewhenacallismade.
Audiodirection:Selectallowedaudiodirections.
Videodirection:Selectallowedvideodirections.
Additional
UDP-to-TCPswitching:SelecttoallowcallstoswitchtransportprotocolsfromUDP(UserDatagramProtocol)toTCP(Transmission
ControlProtocol)temporarily.Thereasonforswitchingistoavoidfragmentation,andtheswitchcantakeplaceifarequestis
within200bytesofthemaximumtransmissionunit(MTU)orlargerthan1300bytes.
Allowviarewrite:SelecttosendthelocalIPaddressinsteadoftherouter'spublicIPaddress.
Allowcontactrewrite:SelecttosendthelocalIPaddressinsteadoftherouter'spublicIPaddress.
Registerwithserverevery:SethowoftenyouwantthedevicetoregisterwiththeSIPserverfortheexistingSIPaccounts.
DTMFpayloadtype:ChangesthedefaultpayloadtypeforDTMF.
SIPaccounts
43