Axis 02408-001 Axis I8116-E User Manual

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AXISI8116-ENetworkVideoIntercom

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NATtraversal

UseNAT(NetworkAddressTranslation)traversalwhentheAxisdeviceislocatedonanprivatenetwork(LAN)andyouwantto

accessitfromoutsideofthatnetwork.

Note

TheroutermustsupportNATtraversalandUPnP®.

EachNATtraversalprotocolcanbeusedseparatelyorindifferentcombinationsdependingonthenetworkenvironment.

•ICETheICEInteractiveConnectivityEstablishment)protocolincreasesthechancesofndingthemostefcientpathto

successfulcommunicationbetweenpeerdevices.IfyoualsoenableSTUNandTURN,youimprovetheICEprotocol’s

chances.

•STUN-STUN(SessionTraversalUtilitiesforNAT)isaclient-servernetworkprotocolthatletstheAxisdevicedetermineif

itislocatedbehindaNATorrewall,andifsoobtainthemappedpublicIPaddressandportnumberallocatedfor

connectionstoremotehosts.EntertheSTUNserveraddress,forexample,anIPaddress.

•TURN-TURN(TraversalUsingRelaysaroundNAT)isaprotocolthatletsadevicebehindaNATrouterorrewallreceive

incomingdatafromotherhostsoverTCPorUDP.EnterTURNserveraddressandthelogininformation.

Overlays

Note

OverlaysarenotincludedinthevideostreamwhenusingSIPcalls.

Overlaysaresuperimposedoverthevideostream.Theyareusedtoprovideextrainformationduringrecordings,suchasatimestamp,

orduringproductinstallationandconguration.Youcanaddeithertextoranimage.

Streamingandstorage

Videocompressionformats

Decidewhichcompressionmethodtousebasedonyourviewingrequirements,andonthepropertiesofyournetwork.The

availableoptionsare:

MotionJPEG

MotionJPEG,orMJPEG,isadigitalvideosequencethatismadeupofaseriesofindividualJPEGimages.Theseimagesarethen

displayedandupdatedataratesufcienttocreateastreamthatshowsconstantlyupdatedmotion.Fortheviewertoperceivemotion

videotheratemustbeatleast16imageframespersecond.Fullmotionvideoisperceivedat30(NTSC)or25(PAL)framespersecond.

TheMotionJPEGstreamusesconsiderableamountsofbandwidth,butprovidesexcellentimagequalityandaccesstoeveryimage

containedinthestream.

H.264orMPEG-4Part10/AVC

Note

H.264isalicensedtechnology.TheAxisproductincludesoneH.264viewingclientlicense.Toinstalladditionalunlicensed

copiesoftheclientisprohibited.Topurchaseadditionallicenses,contactyourAxisreseller.

H.264can,withoutcompromisingimagequality,reducethesizeofadigitalvideolebymorethan80%comparedtotheMotion

JPEGformatandbyasmuchas50%comparedtoolderMPEGformats.Thismeansthatlessnetworkbandwidthandstoragespace

arerequiredforavideole.Orseenanotherway,highervideoqualitycanbeachievedforagivenbitrate.

H.265orMPEG-HPart2/HEVC

H.265can,withoutcompromisingimagequality,reducethesizeofadigitalvideolebymorethan25%comparedtoH.264.

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Axis 02408-001 I8116-E Network Video Intercom