ITU-T H.Sup5 (11 2006) (英) Gateway Control Protocol ……

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1、InternationalTelecommunicationUnionITU-TSeriesHTELECOMMUNICATIONSupplement5STANDARDIZATIONSECTOR(11/2006)OFITUSERIESH:AUDIOVISUALANDMULTIMEDIASYSTEMSGatewaycontrolprotocol:Guidelinesforresourcemanagementof'IPAddress&Port'resourcesforH.248RTPterminationsITU-TH-seriesRecommendations–Supplemen

2、t5ITU-TH-SERIESRECOMMENDATIONSAUDIOVISUALANDMULTIMEDIASYSTEMSCHARACTERISTICSOFVISUALTELEPHONESYSTEMSH.100–H.199INFRASTRUCTUREOFAUDIOVISUALSERVICESGeneralH.200–H.219TransmissionmultiplexingandsynchronizationH.220–H.229SystemsaspectsH.230–H.239CommunicationproceduresH.240–H.259Codingofmovingv

3、ideoH.260–H.279RelatedsystemsaspectsH.280–H.299SystemsandterminalequipmentforaudiovisualservicesH.300–H.349DirectoryservicesarchitectureforaudiovisualandmultimediaservicesH.350–H.359QualityofservicearchitectureforaudiovisualandmultimediaservicesH.360–H.369SupplementaryservicesformultimediaH

4、.450–H.499MOBILITYANDCOLLABORATIONPROCEDURESOverviewofMobilityandCollaboration,definitions,protocolsandproceduresH.500–H.509MobilityforH-SeriesmultimediasystemsandservicesH.510–H.519MobilemultimediacollaborationapplicationsandservicesH.520–H.529SecurityformobilemultimediasystemsandservicesH

5、.530–H.539SecurityformobilemultimediacollaborationapplicationsandservicesH.540–H.549MobilityinterworkingproceduresH.550–H.559Mobilemultimediacollaborationinter-workingproceduresH.560–H.569BROADBANDANDTRIPLE-PLAYMULTIMEDIASERVICESBroadbandmultimediaservicesoverVDSLH.610–H.619Forfurtherdetail

6、s,pleaserefertothelistofITU-TRecommendations.Supplement5toITU-TH-seriesRecommendationsGatewaycontrolprotocol:Guidelinesforresourcemanagementof'IPAddress&Port'resourcesforH.248RTPterminationsSummaryRTPcrosstalkisasituation,whenaRTPendpoint(RA)iswronglysendingRTPpacketstoanotherRTPendpoint(RD

7、),inwhichRDispartofanactivecommunicationsession(e.g.,aRTPsessionbetweenRDandRC).RAwastypicallyausedresourceinanothercommunicationsession(e.g.,aRTPsessionbetweenRAandRB).Suchafailuresituationmaybecausedbyacoupleofreasons.ThisSupplementdescribespotentialfa