主流短信模块短信发送软件，跨平台，稳定，可靠-Mainstream SMS module SMS software, cross-platform, stable, reliable

nokia等手机管理软件设计到很多通讯协议。架构做的也不错。是学习好东西-nokia and other mobile management software design to a lot of communication protocols. Architecture is also doing well. It is a good thing to learn