
【国外标准】 Stage 2 description for charging supplementary services : International Freephone Service (IFS)
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- ITU-T Q.86.4
- 现行
- 定价: 无文本
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适用范围:
暂无
标准号:
ITU-T Q.86.4
标准名称:
Stage 2 description for charging supplementary services : International Freephone Service (IFS)
英文名称:
标准状态:
现行-
发布日期:
2005-06-01 -
实施日期:
出版语种:
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