DIN ETS 300536:2001 数字移动电话远程通信系统(阶段2).短信息服务点对点技术的实现 (英文版本核准本 ETS 300536:1996-10 作为德国标准)
Digital cellular telecommunications system (Phase 2) - Technical realization of the Short Message Service (SMS) Point-to-Point (PP) (Endorsement of the English version ETS 300536:1996-10 as German standard)