Thus, what should the carriers do to fulfill the requirements such as one-single number, one-single device, one-single connection, one-single bill, and one-single address book for all the services?
那么,运营商将如何来满足用户诸如一个号码、一个设备、一次 连接、一个账单、一个地址本等一系列的需求呢?。
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