eXosip在多网卡机器运行，会出现IP问题。这是由于eXosip默认是取第一个网卡IP。这是修改部分，是由应用层设置IP，特换eXosip自己获取IP的修改。主要修改的两个文件。文件中已经表明，是关于多网卡问题-eXosip run in a multi-card machines, there will be IP issues. This is due to eXosip default is to take the first cards IP. This is a modified part, is set by the application layer IP, especially for eXosip get their IP changes. The main changes of the two files. Paper has shown that the problem is about more than cards