说明： 本文主要描述了PHS短消息网关技术规范V2.0对V1.0版本内容所做的修改，并对PHS短消息网关技术规范V2.0中部分内容的技术要求做了补充说明，以备参考。 (This paper describes the PHS Short Message Gateway Technical Specification V2.0 to V1.0 version content of the amendment reform and PHS Short Message Gateway V2.0 specification as part of the technical requirements to give supplementary explanation, for reference.)
