本技术文档是本人再学习过程中自己翻译理解后的总结。关于Socket、SIP、RTP、G729、ARM语音编解码、H263、H264视频编解码。包括理解，基本的内容和算法等等。-The technical documentation is a learning process, I no longer understand their own after the translation of the summary. On the Socket, SIP, RTP, G729, ARM voice

SMS协议23040各章节中文翻译，描述SMS基本概念，网络层介绍-SMS protocol 23040 Chinese translation of the chapters, the basic concepts of the descr iption of SMS, network layer introduced