ETSI TS 102 331-2004 接入和终端(AT).PSTN/ISDN短消息业务(SMS).固定网络短消息终端设备和短消息业务中心之间的短消息通信:基于用户解决方案和基于网络解决方案的SMS概述
Access and Terminals (AT); Short Message Service (SMS) for PSTN/ISDN; Short Message Communication between a fixed network Short Message Terminal Equipment and a Short Message Service Centre: Overview of SMS for the User Based Solution and the Network Base