ITU-TH.Imp248(072007)(英)Implementors’Guideforthe…….pdf

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1、INTERNATIONALTELECOMMUNICATIONUNIONITU-TH.248Sub-seriesImplementors’GuideTELECOMMUNICATIONSTANDARDIZATIONSECTOROFITU(6July2007)SERIESH:AUDIOVISUALANDMULTIMEDIASYSTEMSInfrastructureofaudiovisualservices–CommunicationproceduresImplementors’GuidefortheH.248Sub-seriesofR

2、ecommendations(“MediaGatewayControlProtocol”)SummaryThisdocumentisacompilationofreporteddefectsidentifiedintheITU-TH.248sub-seriesofRecommendationscurrentlyinforce.ItmustbereadinconjunctionwiththeRecommendationstoserveasanadditionalauthoritativesourceofinformationfor

3、implementors.Thechanges,clarificationsandcorrectionsdefinedhereinareexpectedtobeincludedinfutureversionsofaffectedH.248sub-seriesRecommendations.ThisrevisioncontainsallupdatessubmitteduptoandincludingthoseatStudyGroup16meetinginGeneva,26June–6July2007.ThisImplementor

4、s’GuidewasapprovedbyITU-TStudyGroup16on6July2007(TD398/Plen)anditobsoletestheearlierversionofthisImplementors’Guideapprovedon24November2006.NOTE:theImplementors’GuidesforH.248.1Version1andVersion2arepublishedasseparatedocuments.Implementors’GuidefortheH.248Sub-series

5、ofRecommendations(2007-07)iChangeLog(Allchangesthatwereincludedincorrigenda,amendmentsorrevisionstotherecommendationsintheH.248subseriesareomittedhere.)V19(Melbourne,February2005)AddednewsectionforH.248.20,renumberingothersectionsasappropriate.New:6.12AnnexCandSDPpar

6、ameters6.13CaseSensitivityofProfileNames6.14ProfileNegotiation6.15ConflictbetweenH.248.1Version2Corrigendum1andH.248.87.1Clarificationof“At-Most-Once”Functionality9.1MediaValuesV20(Geneva,August2005)New:6.16AuditCapabilityofSignals6.17MediaTypeMismatch6.18NotifyAvala

7、nche6.19TopologyReply6.20StatisticsandSub-lists7.1ProbeOrderTypo9.2NewErrorCode–Toomanytransactions12.1AlertingConfusion13.1MeteringPulsesatSignalReplacementV21(Geneva,November2005)RemoveditemspertainingtoH.248.1Version2,astheyareincorporatedintothenewH.248.1Version2

8、IG.AddednewsectionforH.248.1Version3.RemovedexistingitemspertainingtoH.248.8,astheyareincorporatedintheH.248.8(09/2005)revision.Add