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TheworkingprincipleofInternettelephonyistoconvertanalogvoicesignalsintodigitaldatapacketsthatcanbetransmittedovertheInternet.ThisprocessinvolvestheuseofadevicecalledaVoIP(VoiceoverInternetProtocol)gateway,whichconvertstheanalogsignalsfromatraditionaltelephoneintodigitalsignalsthatcanbetransmittedovertheInternet.WhenacallismadeusingInternettelephony,theanalogvoicesignalisfirstconvertedintodigitaldatapacketsbytheVoIPgateway.ThesepacketsarethentransmittedovertheInternettotherecipient'sVoIPgateway,wheretheyareconvertedbackintoanalogsignalsandsenttotherecipient'stelephone.OneofthekeyadvantagesofInternettelephonyisthatitallowsformoreefficientuseofnetworkresources,asvoicecallscanbetransmittedoverthesamenetworkthatisusedfordatatransmission.Thiscanresultincostsavingsforbusinessesandindividualswhomakefrequentlong-distancecalls.Overall,theworkingprincipleofInternettelephonyisbasedonconvertinganalogvoicesignalsintodigitaldatapacketsfortransmissionovertheInternet,offeringamoreefficientandcost-effectivewaytomakevoicecalls.