关于Qt的嵌入式版本phone edition，PDA edition的文档说明。-on Qt Embedded edition versions phone, PDA edition of the documents note.

手机充值前端QT版本,实现充值缴费，查询的功能-QT version of the front-end mobile phone recharge

Linphone is an open source SIP Phone, available on mobile and desktop environments (iOS, Android, GNU/Linux, MAC OSX, Windows Desktop, Windows 10 UWP). Linphone has inside a separation between the user interfaces and the core engine, allowing to c