Table of Contents
2.1Introduction
2.1.1Scope
2.1.2References
2.1.3Termsanddefinitions
2.1.4Abbreviations
2.2Description
2.2.1Generaldescription
2.2.2Specificterminology
2.2.3Qualificationontheapplicabilityto
telecommunicationservices
2.2.4Statedefinitions
2.3Operationalrequirements
2.3.1Provision/withdrawal
2.3.2Requirementsontheoriginatingnetworkside
2.3.3Requirementsinthenetwork
2.3.4Requirementsontheterminatingnetworkside
2.4Codingrequirements
2.4.1Messages
2.4.2Parameters
2.5Signallingrequirements
2.5.1Activation/deactivation/registration
2.5.2Invocationandoperation
2.6Interactionswithothersupplementaryservices
2.6.1CallWaiting(CW)
2.6.2Calltransferservices
2.6.3ConnectedLineIdentificationPresentation
(COLP)
2.6.4ConnectedLineIdentificationRestriction
(COLR)
2.6.5CallingLineIdentificationPresentation
(CLIP)
2.6.6CallingLineIdentificationRestriction
(CLIR)
2.6.7ClosedUserGroup(CUG)
2.6.8Conferencecalling(CONF)
2.6.9DirectDialling-In(DDI)
2.6.10Calldiversionservices
2.6.11LineHunting(LH)
2.6.12ThreePartyService(3PTY)
2.6.13User-to-UserSignalling(UUS)
2.6.14MultipleSubscriberNumber(MSN)
2.6.15Callhold(HOLD)
2.6.16AdviceofCharge(AOC)
2.6.17Sub-addressing(SUB)
2.6.18TerminalPortability(TP)
2.6.19CompletionofCallstoBusySubscriber(CCBS)
2.6.20MaliciousCallIdentification(MCID)
2.6.21Reversecharging(REV)
2.6.22Multi-levelPrecedenceandPreemption(MLPP)
2.6.23PrivateNumberingPlan(PNP)
2.6.24Internationaltelecommunicationchargecard
2.7Interactionswithothernetworks
2.7.1Interactionswithnetworksnotprovidingany
calldiversioninformation
2.7.2InteractionswithprivateISDNs
2.8Signallingflows
2.9Parametervalues(timers)
2.10Dynamicdescription Abstract
Defines the offering supplementary service of the Integrated Services Digital Network (ISDN), by means of signalling system No. 7 ISDN user part (ISUP).
