ITU-T F.301(10 1995) (英) Fast speed PSTN videotex

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1、INTERNATIONALTELECOMMUNICATIONUNION)45 4&TELECOMMUNICATION(10/95)STANDARDIZATIONSECTOROFITU/0%2!4)/.3!.$15!,)49/&3%26)#%4%,%-!4)#3%26)#%&!3430%%$034.6)$%/4%8)45 4Recommendation&(Previously“CCITTRecommendation”)FOREWORDTheITU-T(TelecommunicationSta

2、ndardizationSector)isapermanentorganoftheInternationalTelecommunicationUnion(ITU).TheITU-Tisresponsibleforstudyingtechnical,operatingandtariffquestionsandissuingRecommen-dationsonthemwithaviewtostandardizingtelecommunicationsonaworldwidebasis.TheWorldTelecommunicationStandar

3、dizationConference(WTSC),whichmeetseveryfouryears,establishesthetopicsforstudybytheITU-TStudyGroupswhich,intheirturn,produceRecommendationsonthesetopics.TheapprovalofRecommendationsbytheMembersoftheITU-TiscoveredbytheprocedurelaiddowninWTSCResolutionNo.1(Helsinki,March1-12,1

4、993).ITU-TRecommendationF.301waspreparedbyITU-TStudyGroup1(1993-1996)andwasapprovedundertheWTSCResolutionNo.1procedureonthe3rdofOctober1995.___________________NOTEInthisRecommendation,theexpression“Administration”isusedforconcisenesstoindicatebothatelecommunicationadministra

5、tionandarecognizedoperatingagency.ãITU1996Allrightsreserved.Nopartofthispublicationmaybereproducedorutilizedinanyformorbyanymeans,electronicormechanical,includingphotocopyingandmicrofilm,withoutpermissioninwritingfromtheITU.CONTENTSRecommendationF.301(10/95)Page1Definition..

6、.....................................................................................................................................................12Descriptionoftheservice.....................................................................................................

7、..........................12.1Generaldescription...........................................................................................................................12.2Specificterminology.................................................................................

8、........................................12.3Applications...................