The data stored in smart card is protected with the user's Personal Identification Number ( PIN ). 智能卡中的数据是通过用户的个人身份识别码(PIN)来保护的。
Returns a user database username from a given identification number 从给定标识号返回用户数据库用户名
Enter or update the profile information of the logged-in user by entering the first name, last name, and identification number. 通过输入名字、姓氏和标识号,输入或更新已登录用户的配置文件信息。
By detecting the status of the user line of PSTN, we have implemented the identification of DTMF dialing numbers by the use of PCS. Meanwhile, we propose the technique that combines hardware and software to fulfill the number detecting. 通过对公用电话网用户线状态的检测,用计算机实现双音频拨号号码的识别,提出了一种利用硬件和软件相结合完成检测的技术。