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首先介绍了GSM短消息业务及其增值业务实现的概念、结构 ,然后论述了短消息对等协议SMPP的定义、接口连接和消息处理机制
First introduced the GSM short message service and its value-added services to achieve the concept, structure, and then discusses the short message peer-to-peer protocol SMPP definition, interface connection and message processing mechanism