ETSI PRETS 300 536-1995 欧洲数字蜂窝通信系统(第2阶段).点对点(PP)短消息业务(SMS)的技术实现.GSM 03.40(第2版,版本4.11.0)
European Digital Cellular Telecommunications System (Phase 2); Technical Realization of the Short Message Service (SMS) Point-to-Point (PP) (GSM 03.40 Version 4.11.0) Second Edition