KPhone is a SIP (Session Initiation Protocol) user agent for Linux, with which you can initiate VoIP (Voice over IP) connections over the Internet. KPhone requires KDE (K Desktop Environment) or at least various libraries from the KDE package. KPhone

基于VOCAL协议栈的SIP用户代理端，可以在linux下进行SIP呼叫-invisible protocol stack based on the SIP user agent side, the under linux SIP Call