这只是一个基本功能的软件代码，作为学习的材料和各位朋友分享，希望提出批评。

基本功能是实现VOIP的语音的压缩和还原。其中可能存在一些错误。指出跟我联系-This is a basic function of software code, as learning materials, and friends want to share critics. The basic function is to achieve VoIP voice compression and reduction. Of which there may be some mistakes. I noted with links