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 worldwide basis.
標(biāo)簽：
Telecommunication
Standardization
International
permanent
上傳時(shí)間：
2014-02-20
上傳用戶：sammi
