ITU-T E.440(02 1996) (英) Customer satisfaction point

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1、INTERNATIONALTELECOMMUNICATIONUNION)45 4%TELECOMMUNICATION(02/96)STANDARDIZATIONSECTOROFITU4%,%0(/.%.%47/2+!.$)3$.15!,)49/&3%26)#%.%47/2+-!.!'%-%.4!.$42!&&)#%.').%%2).'#534/-%23!4)3&!#4)/.0/).4)45 4Recommendation%(Previously“CCITT

2、Recommendation”)FOREWORDTheITU-T(TelecommunicationStandardizationSector)isapermanentorganoftheInternationalTelecommunicationUnion(ITU).TheITU-Tisresponsibleforstudyingtechnical,operatingandtariffquestionsandissuingRecommen-dationsonthemwithaviewtostandardizingtelec

3、ommunicationsonaworldwidebasis.TheWorldTelecommunicationStandardizationConference(WTSC),whichmeetseveryfouryears,establishesthetopicsforstudybytheITU-TStudyGroupswhich,intheirturn,produceRecommendationsonthesetopics.TheapprovalofRecommendationsbytheMembersoftheITU-

4、TiscoveredbytheprocedurelaiddowninWTSCResolutionNo.1(Helsinki,March1-12,1993).ITU-TRecommendationE.440waspreparedbyITU-TStudyGroup2(1993-1996)andwasapprovedundertheWTSCResolutionNo.1procedureonthe19thofFebruary1996.___________________NOTEInthisRecommendation,theexp

5、ression“Administration”isusedforconcisenesstoindicatebothatelecommunicationadministrationandarecognizedoperatingagency.ãITU1996Allrightsreserved.Nopartofthispublicationmaybereproducedorutilizedinanyformorbyanymeans,electronicormechanical,includingphotocopyingandmic

6、rofilm,withoutpermissioninwritingfromtheITU.CONTENTSRecommendationE.440(02/96)Page1Introduction....................................................................................................................................................12Purpose.............

7、..............................................................................................................................................13Definition...............................................................................................................

8、........................................14Customersatisfactionpoint..............................................................................