
【国外标准】 Stage 3 description for number identification supplementary services using DSS 1 : Calling line identification restriction
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2025-06-10
- ITU-T Q.951.4
- 现行
- 定价: 无文本
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标准号:
ITU-T Q.951.4
标准名称:
Stage 3 description for number identification supplementary services using DSS 1 : Calling line identification restriction
英文名称:
标准状态:
现行-
发布日期:
2012-03-01 -
实施日期:
出版语种:
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