按照美国政府的规定,移动电话用户在更换电话运营商时可以保留原有的号码,然而具有革命意义的是,可以将固定电话的号码转为移动电话号码,使得移动电话与固定电话的差别在日益减小。虽然传统的固话运营商认为这种措施会导致移动电话运营商掠夺他们的用户,是不公平的,但他们还是 According to U.S. government rules, mobile phone users can retain their original numbers when changing phone carriers. However, it is revolutionary to change the fixed phone number to a mobile phone number so that the difference between the mobile phone and the fixed phone is between Decreasing. Although traditional fixed-line operators think it would be unfair for mobile operators to plunder their subscribers, they are still