As a consequence of a reform process within the International Telecommunication Union (ITU), the CCITT ceased to exist as of 28 February 1993. In its place, the ITU Telecommunication Standardization Sector (ITU-T) was created as of 1 March 1993. Similarly
ITU-T U.11-1993由国际电信联盟 IX-ITU 发布于 1993-01-01。
ITU-T U.11-1993 在中国标准分类中归属于: M16 信息传输指标。
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