GSM 目前还是现在主要应用的移动系统，2G的演进也是目前平稳向三代过度的重要途径，MUROS，EDGE等都是现在技术演进的关键技术，本代码给出了平台搭建中TCH信道编解码技术，希望对你有所帮助。-GSM is still the main application is mobile systems, 2G is the steady evolution over the three generations of an important way, MUROS, EDGE technology