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NetworkphonesandIPphonesaretwocommonlyusedtechnologiesformakingphonecallsovertheinternet.Whiletheymayseemsimilar,therearekeydifferencesbetweenthetwo.Networkphonesaretraditionalphonesthatareconnectedtoanetworkthroughaphysicalphoneline.TheyrelyonthePublicSwitchedTelephoneNetwork(PSTN)tomakeandreceivecalls.Ontheotherhand,IPphonesuseVoiceoverInternetProtocol(VoIP)technologytotransmitvoicecallsovertheinternet.ThismeansthatIPphonesconvertanalogvoicesignalsintodigitaldataandtransmitthemoveranIPnetwork.OneofthemaindifferencesbetweennetworkphonesandIPphonesisthecost.IPphonesaregenerallymorecost-effectivethannetworkphones,astheydonotrequireaseparatephonelineandcanbeusedwithexistinginternetconnections.Additionally,IPphonesoffermorefeaturesandflexibility,suchasvideocallingandtheabilitytointegratewithothersoftwareapplications.Inconclusion,whilebothnetworkphonesandIPphonesservethesamepurposeofmakingphonecalls,IPphonesoffermoreadvancedfeaturesandcostsavingscomparedtotraditionalnetworkphones.