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InternetphonecallsuseaseriesofnumberscalledIPaddressestoconnectcallersovertheinternet.TheseIPaddressesareuniqueidentifiersassignedtoeachdeviceconnectedtotheinternet.Whenyoumakeacallusinganetworkphoneservice,theserviceproviderconvertsthephonenumberyoudialintoanIPaddress,whichisthenusedtoroutethecalltotherecipient.InEnglish,networkphonecallsareoftenreferredtoasVoiceoverInternetProtocol(VoIP)calls.VoIPtechnologyallowsuserstomakecallsovertheinternetusingacomputer,smartphone,orotherinternet-connecteddevice.Thistechnologyhasbecomeincreasinglypopularinrecentyearsduetoitscost-effectivenessandconvenience.Overall,networkphonecallsareamodernandefficientwaytocommunicatewithothers,whetherforpersonalorbusinesspurposes.ByusingIPaddressestoconnectcallers,VoIPtechnologyhasrevolutionizedthewaywemakephonecallsandhasmadelong-distancecommunicationmoreaccessibleandaffordable.