With the popularity of mobile phones, fixed phones as if disappearing in people's lives. In fact, the number of U.S. households rely entirely on mobile phones continue to grow.
http://security.zdnet.com.cn/security_zone/2013/0417/2155005.shtmlWith the popularity of mobile phones, fixed phones as if disappearing in people's lives. In fact, the number of U.S. households rely entirely on mobile phones continue to grow.
http://security.zdnet.com.cn/security_zone/2013/0417/2155005.shtml