
【国外标准】 Stage 3 description for call completion supplementary services using Signalling System No. 7 : Call waiting (CW)
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2025-06-10
- ITU-T Q.733.1
- 现行
- 定价: 无文本
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适用范围:
暂无
标准号:
ITU-T Q.733.1
标准名称:
Stage 3 description for call completion supplementary services using Signalling System No. 7 : Call waiting (CW)
英文名称:
标准状态:
现行-
发布日期:
2004-02-01 -
实施日期:
出版语种:
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