MD251 openat可编程gprs/gsm模块比较全面参考程序:包括(7bit/8bit/16进制)短消息收发，gprs tcp/udp数据传输框架,nvram存储参数读写,通过AT通道获取来电号码,小区cellid等, 可以快速的开发SMS/GPRS/CALL等移动应用程序。-MD251 openat demo

此功能可以在MTK平台上通过TCP/IP协议递交HTTP请求，服务器通过下发数据，实现了整个GPRS连接流程-This feature allows TCP/IP protocol on the MTK platform to submit an HTTP request, the server issued the data, the entire GPRS connection process