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Axis 02409-001 I8116-E Black Network Video Intercom

User Manual - Page 48

For 02409-001.

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AXISI8116-ENetworkVideoIntercom
Learnmore
SIP
1
UseragentA-intercom.SIPaddress:sip:192.168.1.101
2
UseragentB-SIP-enabledphone.SIPaddress:sip:192.168.1.100
YoucansetuptheAxisintercomtocallforexampleaSIP-enabledphoneonthesamenetworkusingapeer-to-peerSIPsetup.
PrivateBranchExchange(PBX)
WhenyoumakeSIPcallsoutsideyourlocalIPnetwork,aPrivateBranchExchange(PBX)canactasacentralhub.Themain
componentofaPBXisaSIPserver,whichisalsoreferredtoasaSIPproxyoraregistrar.APBXworkslikeatraditionalswitchboard,
showingtheclient'scurrentstatusandallowingforexamplecalltransfers,voicemail,andredirections.
ThePBXSIPservercanbesetupasalocalentityoroffsite.Itcanbehostedonanintranetorbyathirdpartyprovider.Whenyou
makeSIPcallsbetweennetworks,callsareroutedthroughasetofPBXs,thatquerythelocationoftheSIPaddresstobereached.
EachSIPuseragentregisterswiththePBX,andcanthenreachtheothersbydialingthecorrectextension.AtypicalSIPaddressin
thiscasewouldbesip:<user>@<domain>orsip:<user>@<registrar-ip>.TheSIPaddressisindependentofitsIP
addressandthePBXmakesthedeviceaccessibleaslongasitisregisteredtothePBX.
Example
SIP
SIP
SIP
1
sip:mydoor@company.com
2
sip:myspeaker@company.com
3
PBX PBX
PBX
sip.company.com
4
sip:ofce@company.com
WhenyoupressthecallbuttononanAxisintercom,thecallisforwardedthroughoneormorePBXstoaSIPaddresseitheronthe
localIPnetworkorovertheinternet.
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