
【国外标准】 Number identification supplementary services : Malicious call Identification
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2025-06-10
- ITU-T I.251.7
- 现行
- 定价:
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适用范围:
暂无
标准号:
ITU-T I.251.7
标准名称:
Number identification supplementary services : Malicious call Identification
英文名称:
标准状态:
现行-
发布日期:
2004-08-01 -
实施日期:
出版语种:
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