What is SIP and TEL URI? VoIP Phone Addressing and Format

The sip URI means Universal Resource Identifier. It is an address of an IP device over the SIP protocol. When you need to reach a VoIP phone, you need to dial ... Skiptocontent CsPsProtocol-SimplifiedTutorials Menu WhatisSIPandTelURI? TheURIfullformmeansUniversalResourceIdentifier,aresourcecouldbeanythinglikeadocument,arecord,etc. Inthistutorial,wewilldescribetwoformatsSIPandTelforaURIforSIPprotocol. IntheSIPprotocol,therearefieldsforaddressing,To,From,etc.EachcontainsaURI.AURIisthebasicsofmultimediaIPcommunication. TheSIPURIisspecifiedinRFC3261andtheTellURIinRFC3966. TheSIPURIislikethenameofaresourceonaserver. Likeanemailaddress,e.gcspsprotocol@gmail.com.Itisgloballyuniquewithausernameanddomainname.Ifsomeonehastoaccessresources,firstneedtoreachtotheserver,thattotheresource. Forexample,amailsenttocspsprotocol@gmail.comfirstreachestheGmailserverandthengoestotheaccountassociatedwithcspsprotcol. SipURIExample–sip:[email protected] ATELURIisaphonenumber,itcanbeforlandlineormobile,etc. TelURIExample– tel:+9885566666 WhatisSIPURI? ThesipURImeans UniversalResourceIdentifier. ItisanaddressofanIPdeviceovertheSIPprotocol. WhenyouneedtoreachaVoIPphone,youneedtodialthesipURI. Thismayhavemanyparameters.Butherewewilldiscussafewbasicones. Theformatissip:user:password@host:port; user–Thenameoftheresourceonthehost.password–Apasswordassociatedwiththehostingaccount.Generally,theuseofapasswordisnotrecommended.host–Adomainnamelikewww.iphoneservice.comoranIPaddress.port–UDPorTCPport,ifnotspecified,defaultport5060isused. Youcanseethat,it’stotallydifferentfromthewaytheGSMphonenumberworks. ThereasonisthatessentiallyVoIPwasassumedtobeatotallydifferentnetwork.Itwillhaveallitsnetworkcomponentsandidentities. WhatisTelURI? YoucanimagineaTELURIasatelephonenumber. Example–tel:+91234555. Withit,aregularphonenumbercanalsobeusedforcallingovertheIPnetwork. Forinternationalnumbers,itisE.164format. RecentPosts whatisaportinnetworking fiberoptics gitsubmodule LearnGitStepByStep gitclonecommand APN BulkSMS collection computernetwork datatypes datatypesinpython DiameterProtocol functions General GIT gtp IMEI InternetofThings LinuxOperatingSystem loops LTE mnp networkproxy networktopology NodeJs OperatingSystem osimodel Posts pythonprogramming Sigtran SIMCard SS7 string subnetting tcpip Telecom udp USSD vlan VOIP