ITU-T F.711(08 1993) (英) Audiographic conference teleservice for ISDN

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1、INTERNATIONALTELECOMMUNICATIONUNIONITU-TF.711TELECOMMUNICATION(08/93)STANDARDIZATIONSECTOROFITUOPERATIONSANDQUALITYOFSERVICEAUDIOVISUALSERVICEAUDIOGRAPHICCONFERENCETELESERVICEFORISDNITU-TRecommendationF.711(Previously“CCITTRecommendation”)PrintedinSwitzerlandGeneva,1994FOREWORDTheITU-T(Tel

2、ecommunicationStandardizationSector)isapermanentorganoftheInternationalTelecommunicationUnion(ITU).TheITU-Tisresponsibleforstudyingtechnical,operatingandtariffquestionsandissuingRecommendationsonthemwithaviewtostandardizingtelecommunicationsonaworldwidebasis.TheWorldTelecommunicationStanda

3、rdizationConference(WTSC),whichmeetseveryfouryears,establishedthetopicsforstudybytheITU-TStudyGroupswhich,intheirturn,produceRecommendationsonthesetopics.TheapprovalofRecommendationsbytheMembersoftheITU-TiscoveredbytheprocedurelaiddowninWTSCResolutionNo.1(Helsinki,March1-12,1993).ITU-TReco

4、mmendationF.711waspreparedbytheITU-TStudyGroup1(1993-1996)andwasapprovedundertheWTSCResolutionNo.1procedureonthe31stofAugust1993.___________________NOTEInthisRecommendation,theexpression“Administration”isusedforconcisenesstoindicatebothatelecommunicationadministrationandarecognizedoperatin

5、gagency.
ITU1994Allrightsreserved.Nopartofthispublicationmaybereproducedorutilizedinanyformorbyanymeans,electronicormechanical,includingphotocopyingandmicrofilm,withoutpermissioninwritingfromtheITU.CONTENTSRecommendationF.711(08/93)Page1Definition...........................................

6、.............................................................................................................11.1Additionalreferences........................................................................................................................12Description........................

7、..............................................................................................................................22.1Generaldescription................................................................................................................