PJSIP中的PJSUA和Simple_pjsua例程，PJSUA使用PJSIP协议栈实现了软电话的几乎所有功能，包括注册、拨打、回应等等。simple_pjsua在不到200行的代码中实现了最简单的拨打和接听电话功能-PJSIP in PJSUA and Simple_pjsua routines, PJSUA use PJSIP protocol stack to achieve a soft phone almost all functions, including registratio

一个音质非常好的网络通话软件，即使在太平洋彼岸，也非常清晰，本人跟我朋友聊过，非常好，也可以拨打电话，花费便宜。-A very good network call quality software, even in the Pacific Ocean on the other side, and also very clear, I chatted with my friend, very good, you can also make phone calls, spend less expen