已入网的各种手机都有外码、内码和移动识别码。 外码是手机本身的电话号码,内码是厂家为每部手机 设置的序号,该序号一般都标注在手机的铭牌或电池 盒内,为保密,平时常用贴纸盖住。手机入网时,电信部 门又为每部手机分配一个移动识别号,它与内码一起, 是电信部门验证呼叫和客户账单的依据之一。如不妥 Have access to a variety of mobile phones have external code, code and mobile identification code. The outer code is the telephone number of the mobile phone itself. The inner code is the serial number set by the manufacturer for each mobile phone. The serial number is generally marked on the nameplate or battery box of the mobile phone, and is usually kept in confidential stickers. When a cell phone enters the network, the telecommunications department assigns each mobile phone a mobile identification number, which, together with the internal code, is one of the bases on which the telecommunications department validates the call and the customer’s bill. If wrong