很多 有用的信息 pjsip的开发指导,共享 大家一起学习-Lots and lots of useful information pjsip development guidance, learning to share with everyone

pjsip项目源码包，能够实现voip，nat穿透等功能。-Pjsip project source code package, can achieve voip, NAT penetration, and other functions.