Call centers need to be able to guarantee the quality of customer service that an agent in a call center provides. To protect themselves from legal liability, call centers need to be able to archive agent-customer conversations. The Silent Call Moni

获得gsm信号的指导Abstract: This paper presents current achievements of open­source community developers in the area of  building GSM­enabled communication hardware and software. Open­source GPL licensed software makes  constant and very significant contrib

本文针对低功耗蓝牙的安全特性做了专题描述，重点突出了BLE协议（BT 4.2以后）在配对，密匙交换，数据加密及私有信息保护等方面较之前版本的增强

Abstract—Physical layer security (PLS) has been extensively explored as an alternative to conventional cryptographic schemes for securing wireless links. Of late, the research community is actively working towards exploiting cooperative communicatio

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