ITU-T F.733 (09 2005) (英) Service description and requirements……

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1、InternationalTelecommunicationUnionITU-TF.733TELECOMMUNICATION(09/2005)STANDARDIZATIONSECTOROFITUSERIESF:NON-TELEPHONETELECOMMUNICATIONSERVICESAudiovisualservicesServicedescriptionandrequirementsformultimediaconferenceservicesoverIPnetworksITU-TRecommendationF.733ITU-TF-SERIESRECOMMEND

2、ATIONSNON-TELEPHONETELECOMMUNICATIONSERVICESTELEGRAPHSERVICEOperatingmethodsfortheinternationalpublictelegramserviceF.1–F.19ThegentexnetworkF.20–F.29MessageswitchingF.30–F.39TheinternationaltelemessageserviceF.40–F.58TheinternationaltelexserviceF.59–F.89Statisticsandpublicationsoninter

3、nationaltelegraphservicesF.90–F.99ScheduledandleasedcommunicationservicesF.100–F.104PhototelegraphserviceF.105–F.109MOBILESERVICEMobileservicesandmultidestinationsatelliteservicesF.110–F.159TELEMATICSERVICESPublicfacsimileserviceF.160–F.199TeletexserviceF.200–F.299VideotexserviceF.300–

4、F.349GeneralprovisionsfortelematicservicesF.350–F.399MESSAGEHANDLINGSERVICESF.400–F.499DIRECTORYSERVICESF.500–F.549DOCUMENTCOMMUNICATIONDocumentcommunicationF.550–F.579ProgrammingcommunicationinterfacesF.580–F.599DATATRANSMISSIONSERVICESF.600–F.699AUDIOVISUALSERVICESF.700–F.799ISDNSERV

5、ICESF.800–F.849UNIVERSALPERSONALTELECOMMUNICATIONF.850–F.899HUMANFACTORSF.900–F.999Forfurtherdetails,pleaserefertothelistofITU-TRecommendations.ITU-TRecommendationF.733ServicedescriptionandrequirementsformultimediaconferenceservicesoverIPnetworksSummaryThepurposeofthisRecommendationist

6、odefinethemultimediaconferenceservicesbasedonIPnetworks.Theserviceprovidesreal-timecommunicationbetweenseveralusersindifferentlocationsoveranIPnetwork.Theservicedescription,functionalmodel,applicationscenariosandrequirementsoftheIPmultimediaconferenceservicesareprovided.TheIPmultimedia

7、conferenceserviceisoneclassofthegenericservicesidentifiedinITU-TRec.F.702,anditsdescriptionfollowsthemethodologydescribedinITU-TRec.F.701.TherequirementsfortheIPmultimediaconferenceservicesarederivedfromthescenariosfordifferentapplicationsthesaidservicescansupport.Therefore,theservic