OSIP与exosip在visual studio 6.0下的编译方法，与一般文档不同的是，此文档分析了可能出现的错误，并对部分警告予以分析。-OSIP and exosip in visual studio 6.0 compiling under way, with general document is different is that this document analyzes the possible errors, and part of the warning be analyz