YD-T1248.2-2003

ICSYD中华人民共和国通信行业标准YD/T1248.2-2003固定电话网短消息业务第二部分短消息终端和短消息中心之间的传送协议技术要求Short Message Service Based on PSTNPart2:Technical Requirements of Transmission Protocol between ShortMessage Terminal Equipment and Center2003-01-22发布2003-01-22实施中华人民共和国信息产业部发布