ITU-TE.161(031993)(英)Arrangementofdigits,lettersandsymbols…….pdf

《ITU-TE.161(031993)(英)Arrangementofdigits,lettersandsymbols…….pdf》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、3UPERSEDEDBYAMORERECENTVERSIONINTERNATIONALTELECOMMUNICATIONUNION)45 4%TELECOMMUNICATION(03/93)STANDARDIZATIONSECTOROFITU4%,%0(/.%.%47/2+!.$)3$./0%2!4)/..5-"%2).'2/54).'!.$-/"),%3%26)#%!22!.'%-%.4/&$)')43,%44%23!.$39-"/,3/.4%

2、,%0(/.%3!.$/4(%2$%6)#%34(!4#!."%53%$&/2'!).).'!##%334/!4%,%0(/.%.%47/2+)45 4Recommendation%Supersededbyamorerecentversion(Previously“CCITTRecommendation”)3UPERSEDEDBYAMORERECENTVERSION&/2%7/2$TheITUTelecommunicationStandardiza

3、tionSector(ITU-T)isapermanentorganoftheInternationalTelecom-municationUnion.TheITU-Tisresponsibleforstudyingtechnical,operatingandtariffquestionsandissuingRecommendationsonthemwithaviewtostandardizingtelecommunicationsonaworldwidebasis.TheWorldTelecommunicationSt

4、andardizationConference(WTSC),whichmeetseveryfouryears,establishedthetopicsforstudybytheITU-TStudyGroupswhich,intheirturn,produceRecommendationsonthesetopics.ITU-TRecommendationE.161wasrevisedbytheITU-TStudyGroupI(1988-1993)andwasapprovedbytheWTSC(Helsinki,March1

5、-12,1993).___________________NOTES1AsaconsequenceofareformprocesswithintheInternationalTelecommunicationUnion(ITU),theCCITTceasedtoexistasof28February1993.Initsplace,theITUTelecommunicationStandardizationSector(ITU-T)wascreatedasof1March1993.Similarly,inthisrefor

6、mprocess,theCCIRandtheIFRBhavebeenreplacedbytheRadiocommunicationSector.InordernottodelaypublicationofthisRecommendation,nochangehasbeenmadeinthetexttoreferencescontainingtheacronyms“CCITT,CCIRorIFRB”ortheirassociatedentitiessuchasPlenaryAssembly,Secretariat,etc.

7、FutureeditionsofthisRecommendationwillcontaintheproperterminologyrelatedtothenewITUstructure.2InthisRecommendation,theexpression“Administration”isusedforconcisenesstoindicatebothatelecommunicationadministrationandarecognizedoperatingagency.ãITU1993Allrightsreserv

8、ed.Nopartofthispublicationmaybereproducedorutilizedinanyformorbyanymeans,electronicormechanical,includingphotocopyingandmicrofilm,withoutpermissioninwritingfro