ITU-TT.135(082007)(英)User-to-reservationsystem…….pdf

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1、InternationalTelecommunicationUnionITU-TT.135TELECOMMUNICATION(08/2007)STANDARDIZATIONSECTOROFITUSERIEST:TERMINALSFORTELEMATICSERVICESDataprotocolsformultimediaconferencingUser-to-reservationsystemtransactionswithinT.120conferencesITU-TRecommendationT.

2、135ITU-TT-SERIESRECOMMENDATIONSTERMINALSFORTELEMATICSERVICESFacsimile–FrameworkT.0–T.19Still-imagecompression–TestchartsT.20–T.29Facsimile–Group3protocolsT.30–T.39ColourrepresentationT.40–T.49CharactercodingT.50–T.59Facsimile–Group4protocolsT.60–T.69Te

3、lematicservices–FrameworkT.70–T.79Still-imagecompression–JPEG-1,Bi-levelandJBIGT.80–T.89Telematicservices–ISDNTerminalsandprotocolsT.90–T.99Videotext–FrameworkT.100–T.109DataprotocolsformultimediaconferencingT.120–T.149TelewritingT.150–T.159Multimediaa

4、ndhypermediaframeworkT.170–T.189CooperativedocumenthandlingT.190–T.199Telematicservices–InterworkingT.300–T.399OpendocumentarchitectureT.400–T.429DocumenttransferandmanipulationT.430–T.449DocumentapplicationprofileT.500–T.509Communicationapplicationpro

5、fileT.510–T.559Telematicservices–EquipmentcharacteristicsT.560–T.649Still-imagecompression–JPEG2000T.800–T.849Still-imagecompression–JPEG-1extensionsT.850–T.899Forfurtherdetails,pleaserefertothelistofITU-TRecommendations.ITU-TRecommendationT.135User-to

6、-reservationsystemtransactionswithinT.120conferencesSummaryITU-TRecommendationT.135introducesaprotocolthatenablesareservationapplicationinauserterminaltocommunicateelectronicallywiththereservationsystemaserviceprovider,inordertoreserveresourcesformulti

7、mediaconferences,modifyorcancelpreviousreservations,andperformotherrelatedtransactions.ThearchitecturemodeldefinedbythisRecommendationisdesignedforin-bandtransactions–thatis,transactionstakingplacebetweenareservationsystemandaT.120compliantuserterminal

8、joinedtoanongoingconference.ThisrevisedversionofT.135introducesanumberofclarificationstothepreviousversion.SourceITU-TRecommendationT.135wasapprovedon29August2007byITU-TStudyGroup16(2005-2008)undertheITU-TRecommendationA.8procedure.ITU-