用C＋＋语言写的最新开源SIP协议栈源码 ，版本号为resiprocate1.8.10，编译环境为vs.net 2005， 2008， 2010-Using C++ language to write the latest open source SIP protocol stack source code, the version number is resiprocate1.8.10, build environment for vs.net 2005, 2008, 2010