资料介绍
Z0100eINTERNATIONAL TELECOMMUNICATION UNION
)45
4
TELECOMMUNICATION STANDARDIZATION SECTOR OF ITU
:
(03/93)
02/'2!--).' ,!.'5!'%3
##)44 30%#)&)#!4)/. !.$ $%3#2)04)/. ,!.'5!'% 3$,
)45
4 Recommendation :
(Previously “CCITT Recommendation”)
FOREWORD
The ITU Telecommunication Standardization Sector (ITU-T) is a permanent organ of the International Telecommunication Union. The ITU-T is responsible for studying technical, operating and tariff questions and issuing Recommendations on them with a view to standardizing telecommunications on a worldwide basis. The World Telecommunication Standardization Conference (WTSC), which meets every four years, established the topics for study by the ITU-T Study Groups which, in their turn, produce Recommendations on these topics. ITU-T Recommendation Z.100