说明：  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 Message Gateway with the service provider (SP) CNGPV2.0.doc Interface Specification; 2nd volumes Short Message Gateway and Billing Center V2.0.doc Interface Specification; third volumes Short Message Center external interface protocol (CNPPV2.0). doc; 4th volumes Short Message Gateway equipment norms V2.0.doc)