Table of Contents
1Overview
1.1Scope
1.2Normativereferences
1.3Definitionsandabbreviations
1.3.1Definitions
1.3.2Abbreviations
1.4CapabilitiessupportedbythisRecommendation
2Callcontrol,applicationprocessfunctions
2.1Introduction
2.1.1Primitiveinterface
2.1.2AssignmentprocedureofVPCI/VCIand
bandwidthforpointtomultipoint
networkconnections
2.2Successfulcall/connectionset-up
2.2.1Forwardaddresssignalling-enbloc
2.2.2Forwardaddresssignalling-overlap
operation
2.2.3Address_Completerequestprimitive
2.2.4Progress(basiccall)
2.2.5Answerprimitive
2.2.6Transitnetworkselection(nationaloption)
2.2.7Storageandreleaseofinformation
2.2.8Simplesegmentation(nationaloption)
2.3Unsuccessfulcall/connectionset-up
2.3.1Lackofresourcesattheincomingside
2.3.2Lackofresourcesattheoutgoingside
2.3.3Actionsatanexchangereceivingan
Income_Resources_Rejectedprimitives
2.3.4Actionsatanexchangereceivinga
releasemessage
2.3.5Addressincomplete
2.4Normalcall/connectionrelease
2.4.1General
2.4.2Dropofaleafpartyrequestedbyaroot
party
2.4.3Dropofaleafpartyrequestedbythe
partyitself
2.4.4Dropofaleafpartyinitiatedbythe
network
2.4.5Enblocreleaseofcall/connection
requestedbytherootparty
2.4.6AB-NT2causingmultipleleafpartiesto
bedropped,initiatedattheTB
referencepointwithasingleRELEASE
message
2.5Suspend,resume(networkinitiated)
2.6Propagationdelaydetermination
2.7Errorindicationprimitive
2.8Interaction
2.8.1Interactionofpoint-tomultipoint
featuresandCapabilitySet1
supplementaryservices
2.8.2Interactionwithaleafpartythatdoes
notsupportmultipointprocedures
2.8.3Interactionwithaleafpartythatisnot
abroadbanduser
2.8.4InteractionofaCS-2.1nodewitha
CS-1node
2.9Primitivecontents
3Maintenancecontrol,applicationprocessfunctions
3.1Reset
3.1.1Actionsatresetinitiatingexchange
3.1.2Actionsatresetrespondingexchange
3.1.3Abnormalresetprocedures
3.2Blockingandunblockingofvirtualpaths
4B-ISDNUserPartmessagesandparameters
4.1Parameternamecodes
4.2Parameterformatandcoding
4.2.1Destinationconnectionlinkidentifier
4.2.2Originationconnectionlinkidentifier
4.3Leafpartytype
5InterworkingofDSS2andB-ISUPforpoint-to
multipointcall/connections
5.1General
5.1.1Architecturaloverview
5.2Originatingexchange
5.2.1SendingofIAM
5.2.2ReceiptofACM
5.2.3ReceiptofCPG
5.2.4ReceiptofANM
5.2.5ReceiptofREL
5.2.6SendingofREL
5.3Destinationexchange
5.3.1InterworkingwithDSS2accesssupporting
coincidentSB/TBreferencepoint
procedures
5.3.2InterworkingwithDSS2accesssupporting
TBreferencepointprocedures
5.4Typicalscenarios
AnnexAMessagesequenceflows
AppendixIInstructionindicatorsetting Abstract
Covers the basic B-ISDN User Part signalling methods for the set-up and cleardown of national and international B-ISDN CS-2.1 point to multipoint network connections.
