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ITU Q.957.1:1996

ITU Q.957.1:1996 Stage 3 Description For Additional Information Transfer Supplementary Services Using Dss 1: User-to-user Signalling (uus) Permits an ISDN user to send/receive a limited amount of information to/from another ISDN user using the signalling channel in association with a call to the other ISDN user.

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Table of Contents

1User-to-UserSignalling(UUS)
1.1Definition
1.2Description
1.2.1Generaldescription
1.2.2Specificterminology
1.2.3Qualificationsontheapplicabilityto
telecommunicationsservices
1.2.4Statedefinitions
1.3Operationalrequirements
1.3.1Provision/withdrawal
1.3.2Requirementsontheoriginatingnetwork
side
1.3.3Requirementsinthenetwork
1.3.4Requirementsontheterminatingnetwork
side
1.3.5Assumptionsmadeabouttheterminal
1.4Codingrequirements
1.4.1Messages
1.4.2Codesets
1.4.3Informationelements
1.4.4Codepoints
1.5Signallingrequirements
1.5.1Activation/deactivation/registration
1.5.2Invocationandoperation
1.6Interactionwithothersupplementaryservices
1.6.1CallWaiting
1.6.2CallTransfer
1.6.3ConnectedLineIdentificationPresentation
1.6.4ConnectedLineIdentificationRestriction
1.6.5CallingLineIdentificationPresentation
1.6.6CallingLineIdentificationRestriction
1.6.7ClosedUserGroup
1.6.8ConferenceCalling
1.6.9Direct-Dialling-In
1.6.10Calldiversion(callforwarding)services
1.6.11LineHunting
1.6.12Three-PartyService
1.6.13User-to-UserSignalling
1.6.14MultipleSubscriberNumber
1.6.15CallHold
1.6.16AdviceofCharge
1.6.17Sub-addressing
1.6.18TerminalPortability
1.6.19CompletionofCallstoBusySubscriber
1.6.20MaliciousCallIdentification
1.6.21ReverseCharging
1.6.22Multi-LevelPrecedenceandPreemption
1.7Interactionswithothernetworks
1.7.1Interactionwithnon-ISDNs
1.7.2Proceduresforinterworkingwithprivate
ISDNs
1.8Signallingflow
1.9Parametervalues(timers)
1.10Dynamicdescription(SDLs)
References

Abstract

Permits an ISDN user to send/receive a limited amount of information to/from another ISDN user using the signalling channel in association with a call to the other ISDN user.

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