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ѾD/T 1248.3-2004
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Short message service based on PSTN
Technique requirements of short message centre
2004-07-16·¢²¼ 2005-01-01ʵʩ
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中华人民共和国通信行业标准
YDAT 1248.3_2004
固定电话网短消息业务
息中心技术要求
Shart message service hased on PSTN
Technique reltaireatenls of shert mmessage cengre
2004-07-16发布 2005-01-01 实施
中华人民具和国信息产籽部发布