Home>ITU Q.769.1:1999

ITU Q.769.1:1999

ITU Q.769.1:1999 Signalling System No. 7 - Isdn User Part Enhancements For The Support Of Number Portability Defines the existing ISUP procedures as specified in Recommendation Q.764(1) apply with modifications as specified in this Recommendation. NOTE - ISUP codes and formats are described in Recommendation

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Table of Contents

1Scope
2References
3Definitions
4Abbreviations
5Conventions
6Callcontrolandsignallingprocedures
6.1SeparateDirectoryNumberAddressingmethod
6.1.1Handlingofnetworkroutingnumber
anddirectorynumber
6.1.2Handlingofanincompletedirectory
number
6.2Otheraddressingmethods
6.3Actionsrequiredintheoriginatingnetwork
6.3.1OnwardRoutine
6.3.2AllCallQuery
6.4Actionsrequiredinthedonornetwork
6.4.1OnwardRoutine
6.4.2AllCallQuery
6.5Actionsrequiredinatransitnetwork
6.5.1OnwardRouting
6.5.2AllCallQuery
6.6Actionsrequiredintherecipientnetwork
AnnexA-ProceduresfortheConcatenatedAddressingmethod
A.1-Generalormation
A.2-Exceptionstoclause6ofthisRecommendation
AnnexB-ProceduresfortheSeparateNetworkRoutingNumber
Addressingmethod
B.1-General
B.2-Exceptionstoclause6ofthisRecommendation
AnnexC-ProcedurestosupportQueryonRelease
C.1-General
C.2-ProceduresforQoRwiththeforwardandthe
backwardindications
C.2.1-Normalprocedures
C.2.2-Exceptionalprocedures
C.3-ProceduresforQoRwiththebackwardindication
only
C.3.1-Normalprocedures
C.3.2-Exceptionalprocedures
AnnexD-ProcedurestosupportDropback
D.1-General
D.2-Actionsrequiredinthenetworksinvolvedinthe
firstleg
D.2.1-Actionsrequiredintheoriginating
network
D.2.2-Actionsrequiredinthetransitnetwork
D.2.3-Actionsrequiredinthedonornetwork
D.3-Actionsrequiredinthenetworksinvolvedinthe
secondleg
D.3.1-Actionsrequiredinthetransitnetwork
D.3.2-Actionsrequiredinthereroutingnetwork
D.4-Actionsrequiredinthenetworksinvolvedinthe
thirdleg
D.4.1-Actionsrequiredinatransitnetwork
D.4.2-Actionsrequiredintherecipientnetwork
AnnexE-Proceduresforforwardtransferofnumber
portabilitystatusinformation
E.1-General
E.2-Normalprocedures
E.2.1-Actionsrequiredataninitiatingexchange
E.3-Exceptionalprocedures

Abstract

Defines the existing ISUP procedures as specified in Recommendation Q.764(1) apply with modifications as specified in this Recommendation. NOTE - ISUP codes and formats are described in Recommendation Q763(2).

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