In the third mobile communication systems, access security includes the confidentiality of the subscriber identity, entity authentication and the security of data.
在第三代移动通信系统中，接入安全主要包括身份保密、实体认证和数据的安全三个方面。
When a subscriber initiates a call, authentication may occur to confirm the subscriber's identity.
当用户发起一个呼叫，鉴权中心将会对用户进行鉴权。
When a subscriber initiates a call, authentication may occur to confirm the subscriber's identity.
当用户发起一个呼叫，鉴权中心将会对用户进行鉴权。
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