The ITU-T(Telecommunication Standardization Sector)is a permanent organ of the International Telecommunication
Union(ITU).The ITU-T is responsible for studying technical,operating and tariff questions and issuing Recommen-
dations on them with a view to standardizing telecommunications on a worldwid ...
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标签：
Telecommunication
Standardization
International
permanent
上传时间：
2014-02-20
上传用户：sammi
