ETSI GSM 07.05-1998 数字蜂窝通信系统(第2+阶段).数据终端设备的使用-短信息业务(SMS)和蜂窝广播业务(CBS)的数据电路终端设备(DTE-DCE)接口(版本5.5.0)
Digital Cellular Telecommunication System (Phase 2+); Use of Data Terminal Equipment - Data Circuit Terminating; Equipment (DTE - DCE) Interface for Short Message Service (SMS) and Cell Broadcast Service (CBS)