内包含网通SP短信开发技术规范，共四个规范：第一分册 短消息网关与服务提供商（SP）接口规范CNGPV2.0.doc；第二分册 短消息网关与计费中心接口规范V2.0.doc；第三分册 短消息中心外部接口协议(CNPPV2.0).doc；第四分册 短消息网关设备规范V2.0.doc-contains Netcom SMS SP technical specifications development, a total of four norms : the first fascicle Short

Communication Systems 4th edition Simon Haykin McMaster University John Wiley & Sons, Inc