https://qooah.com/2013/11/15/pccw-%e6%98%8e%e5%a4%a9%e5%86%8d%e9%80%81-1000%e5%bc%b5%e5%85%ab%e9%81%94%e9%80%9a-sim-%e5%bf%ab%e4%be%86%e4%ba%86%e8%a7%a3%e8%a9%b3%e6%83%85%e5%90%a7/