这是一个开源码的sip用户代理 写的都很清楚是用C＋＋语言开发的 对于研究sip协议的朋友绝对是有很好的参考价值-This is a sip of the open-source user agent was made very clear is the C + + language development agreement for research sip of a friend is definitely a good reference value

MiniSip Client with DomainKeys Authentication, Sip, Audio communications, Echo Cancel -MiniSip Client with DomainKeys Authentication, Sip, Audio communications, Echo Cancel