3gp中的gsm的amr编解码C语言源码和协议-The gsm of amr 3gp codec C language source code and protocols

GSM协议中BCCH码道的层2和层3解析。包括接收层1的消息，到层2解析后发给层3的处理，最终层3解析后进行打印。-GSM protocol layers 2 and 3 of the BCCH code channels to resolve. Including receiving layer messages 1 to layer after layer processing 2 parsed issued 3 final layer printed 3 resolution.

本程序可以实时录制语音，生成符合GSM协议的.gsm文件。(This program can record real-time voice, and generate.Gsm file in accordance with the GSM protocol.)