Table of Contents
1Scope
2References
3Definitions
4Abbreviations
5Conventions
6General
6.1IntroductiontoRecommendationstructure
6.2Messages,parametersandinformationelements
6.3UseofApplicationTransportMechanism
6.4Bearercontroltunnelling
7Successfulbasiccallset-up
7.1Introduction
7.2Forwardaddresssignalling-Enblocoperation
7.3Forwardaddresssignalling-overlapoperation
7.4Outgoingbearerset-upprocedure
7.5Incomingbearerset-upprocedure
7.6Continuitymessage
7.7AddresscompletemessageorConnectmessage
7.8Answermessage
7.9AccessTransportParameter
7.10StorageandreleaseofInitialAddressMessage
information
8Additionalset-upprocedures
8.1Introduction
8.2CallProgress
8.3CodecNegotiation
8.4EchoControl
8.5Propagationdelayprocedure
8.6Signallingproceduresforconnectiontype
allowingfallback
8.7Transitnetworkselection(nationaluse)
8.8SupportforTemporaryAlternativeRouting(TAR)
8.9Hopcounterprocedure
8.10Charging
8.11Accessdeliveryindication
8.12Informationmessages
8.13Callcollectrequestprocedure
8.14Callingpartynumber
8.15CallingGeodeticlocationprocedure
8.16Inter-nodaltrafficgroupidentification
8.17Carrierselectioninformation(nationaluse)
8.18GlobalCallReference
8.19BearerControlUnitIdentifier(BCU-ID)
8.20Out-of-bandtransportofDTMFandToneinformation
9Unsuccessfulcallset-up
9.1Introduction
9.2ActionsataCSFinitiatingareleasemessage
9.3ActionsatanintermediateSN/CMN
9.4ActionsatthecontrollingSN/CMN(i.e.the
SN/CMNcontrollingthecall)
9.5Tonesandannouncements
9.6Addressincomplete
10Mid-callprocedures
10.1Introduction
10.2Suspendandresume
10.3ForwardTransfermessage
10.4Codecmodification/mid-callcodecnegotiation
procedures
11Normalcallrelease
11.1Introduction
11.2Releaseinitiatedbyacallingparty
11.3Releaseinitiatedbyacalledparty
11.4Releaseinitiatedbythenetwork
11.5Releasesendingprocedure
11.6Releasereceptionprocedure
11.7CollisionofReleasemessages
11.8Charging(nationaluse)
12Networkfeatures
12.1Introduction
12.2Simplesegmentation
12.3Pre-releaseinformationtransport
12.4Automaticrepeatattempt
12.5BlockingandunblockingofCICvalues
12.6CICgroupquery(nationaluse)
12.7SupportforHardToReachNetworkManagement
functions
12.8Automaticcongestioncontrol
12.9Signallingtransportout-of-serviceandin-service
indications
12.10Signallingtransportcongestionindications
13Abnormalconditions
13.1Introduction
13.2Dualseizure
13.3ResetofCICs
13.4Receiptofunreasonablesignallinginformation
13.5UnequippedCICmessage(nationaluse)
13.6Overlengthmessages
13.7Timerexpiries
AnnexA-Timers
AnnexB-Proceduresforreuseofidlebearers
(networkoption)
B.1Introduction
B.2Procedures
AnnexC-Testcalls
C.1Callednumberfortestcalls
AnnexD-Start-upprocedures
D.1Introduction
D.2ProcedureforputtingCICsintoservice
D.3Testprocedures
AnnexE-(NetworkOption)ProceduresforuseofStructured
AAL1bearers
E.1Introduction
E.2Procedures
AppendixI-Messageflowexamples
I.1Introductiontomessageflows
I.2Contents
AppendixII-GenericBCFfunctions
II.1Introduction
II.2BNC-ID
II.3Bearerreleasecontrol
II.4BIWFaddress
II.5BNCcharacteristics Abstract
Describes the Bearer Independent Call Control (BICC) basic call procedures for the support of narrow-band ISDN services independent of the bearer technology and signalling message transport technology used (Capability Set 2).