Table of Contents
1Scope
2References
3Definitionofterms
3.1TermsdefinedinITU-TF.851
3.2TermsdefinedinthisRecommendation
3.2.1Generalterms
3.2.2Specificterms
4Glossaryofabbreviations
5DescriptionofUPT
6Generalrequirements
6.1Generalprinciples
6.2Keynetworkfunctionalities
6.3Networktransportofidentities
7RequirementsonUPTnetworks
7.1Scopeofinterworking
7.1.1CS-1-based
7.1.2CS-2-based
7.2Functionalarchitectureforinterworking
7.2.1CS-1-based
7.2.2CS-2-based
7.3Interworking-Requirements
7.3.1CS-1-based
7.3.2Compatibilityrequirementsbetween
CS-1andCS-2
7.3.3Scenario1
7.3.4Scenario2
7.3.5Scenario3
7.3.6Scenario4
7.3.7Futurerequirements
8Requirementsonthelocalexchanges
8.1Originatinglocalexchanges
8.2Terminatinglocalexchanges
9Requirementsonthetransitexchanges
9.1Nationalexchanges
9.2Internationalswitchingexchanges
10Featureinteractions
10.1UPTfeatureset
10.1.1EssentialUPTfeatures
10.1.2OptionalUPTfeatures
10.1.3UPTSupplementaryServices
10.2FeatureinteractionsbetweenUPTandPSTN/ISDN
features
11Interworking-RequirementsonIN
11.1TransportofparametersrequiredforUPTservices
12Requirementsonnetworksignalling
12.1UPTcallsversusnon-UPTcalls
12.2TransportofparametersrequiredforUPTservices
12.2.1TransportofUPTserviceindicators
13Requirementsonaccesssignalling
13.1TransportofparametersrequiredforUPTservices
13.2RequirementsonDSS1
13.3RequirementsforInformationFlows Abstract
Specifies some requirements on supporting networks and signalling protocols, for the support of UPT Service Set 1, as defined within ITU-T F.851.