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ID:44058697
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页数:59页
时间:2019-10-18
《ITU-T H.Imp248.x (05 2008) (英) Implementors’ Guide for the H.248……》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、INTERNATIONALTELECOMMUNICATIONUNIONITU-TH.248Sub-seriesImplementors’GuideTELECOMMUNICATIONSTANDARDIZATIONSECTOROFITU(2May2008)SERIESH:AUDIOVISUALANDMULTIMEDIASYSTEMSInfrastructureofaudiovisualservices–CommunicationproceduresImplementors’GuidefortheH.248Sub-seriesofRecommendations(“MediaGatew
2、ayControlProtocol”)SummaryThisdocumentisacompilationofreporteddefectsidentifiedintheITU-TH.248sub-seriesofRecommendationscurrentlyinforce.ItmustbereadinconjunctionwiththeRecommendationstoserveasanadditionalauthoritativesourceofinformationforimplementors.Thechanges,clarificationsandcorrection
3、sdefinedhereinareexpectedtobeincludedinfutureversionsofaffectedH.248sub-seriesRecommendations.ThisrevisioncontainsallupdatessubmitteduptoandincludingthoseatStudyGroup16meetinginGeneva,26June–2May2008.ThisImplementors’GuidewasapprovedbyITU-TStudyGroup16on2May2007(TD474/Plen)anditobsoletesthee
4、arlierversionofthisImplementors’Guideapprovedon6July2007.NOTE:theImplementors’GuidesforH.248.1Version1andVersion2arepublishedasseparatedocuments.Implementors’GuidefortheH.248Sub-seriesofRecommendations(2008-05)iChangeLog(Allchangesthatwereincludedincorrigenda,amendmentsorrevisionstotherecomm
5、endationsintheH.248subseriesareomittedhere.)V28(Seoul,January2008)AddednewsectionforH.248.12New:6.1ALLWildcardinTopologyDescriptor6.2OctetStringusageinAnnexB.26.3H.248DatatypeServiceChangeMgcID6.4TextencodingofOctetStrings6.5Profiledefinition-SyntacticalvsSemanticalProfiles6.6ExampleCallFlow
6、updates6.7MultiplexingandMaximumnumberofterminationspercontextproperty6.8Clarificationofthebehaviorofsub-lists6.9Orthogonalcapabilities“Transcoding”and“CodecNegotiation/Determination”6.10SignalTypeOverride6.11rtp/pltranseventclarification6.12TheuseofIgnorewithSDP6.13BasepackagesandExtendedPa
7、ckages6.14ConnectionEndpointNamingConventions6.15SupportofProfileElementsV29(Geneva,April2008)AddednewsectionforH.248.3AddednewsectionforH.248.8AddednewsectionforH.248.9AddednewsectionforH.248.12AddednewsectionforH.248.16AddednewsectionforH.248.18A
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