ITU-T F.731 (07 1997) (英) Multimedia Conference Services in the ISDN

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1、INTERNATIONALTELECOMMUNICATIONUNIONITU-TF.731TELECOMMUNICATION(07/97)STANDARDIZATIONSECTOROFITUSERIESF:NON-TELEPHONETELECOMMUNICATIONSERVICESAudiovisualservicesMultimediaconferenceservicesintheISDNITU-TRecommendationF.731(PreviouslyCCITTRecommendation)ITU-TF-SERIE

2、SRECOMMENDATIONSNON-TELEPHONETELECOMMUNICATIONSERVICESTELEGRAPHSERVICEF.1–F.109OperatingmethodsfortheinternationalpublictelegramserviceF.1–F.19ThegentexnetworkF.20–F.29MessageswitchingF.30–F.39TheinternationaltelemessageserviceF.40–F.58Theinternationaltelexservice

3、F.59–F.89StatisticsandpublicationsoninternationaltelegraphservicesF.90–F.99ScheduledandleasedcommunicationservicesF.100–F.104PhototelegraphserviceF.105–F.109MOBILESERVICEF.110–F.159MobileservicesandmultidestinationsatelliteservicesF.110–F.159TELEMATICSERVICESF.160

4、–F.399PublicfacsimileserviceF.160–F.199TeletexserviceF.200–F.299VideotexserviceF.300–F.349GeneralprovisionsfortelematicservicesF.350–F.399MESSAGEHANDLINGSERVICESF.400–F.499DIRECTORYSERVICESF.500–F.549DOCUMENTCOMMUNICATIONF.550–F.599DocumentcommunicationF.550–F.579

5、ProgrammingcommunicationinterfacesF.580–F.599DATATRANSMISSIONSERVICESF.600–F.699AUDIOVISUALSERVICESF.700–F.799ISDNSERVICESF.800–F.849UNIVERSALPERSONALTELECOMMUNICATIONF.850–F.899HUMANFACTORSF.900–F.999Forfurtherdetails,pleaserefertoITU-TListofRecommendations.ITU-T

6、RECOMMENDATIONF.731MULTIMEDIACONFERENCESERVICESINTHEISDNSourceITU-TRecommendationF.731waspreparedbyITU-TStudyGroup16(1997-2000)andwasapprovedundertheWTSCResolutionNo.1procedureonthe10thofJuly1997.FOREWORDITU(InternationalTelecommunicationUnion)istheUnitedNationsSp

7、ecializedAgencyinthefieldoftelecommunications.TheITUTelecommunicationStandardizationSector(ITU-T)isapermanentorganoftheITU.TheITU-Tisresponsibleforstudyingtechnical,operatingandtariffquestionsandissuingRecommendationsonthemwithaviewtostandardizingtelecommunication

8、sonaworldwidebasis.TheWorldTelecommunicationStandardizationConference(WTSC),whichmeetseveryfouryears,establishesthetopicsforstudybytheITU-TStudyGroupswh