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越来越多的服务及设备提供商发现通过Internet发传真比通过公用电话网的费用要低得多。 Concentric Networks公司(Concentric NetworksCorp.)、PSINet公司(PSINet Inc.)和UUnet技术公司(UUnet Techologies Inc.)等ISP都提供Internet传真服务。
More and more service and equipment providers find faxing over the Internet much less expensive than using public switched telephone networks. ISPs such as Concentric Networks Corp., PSINet Inc., and UUnet Technologies Inc. provide Internet fax services.