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ITU Q.72:1993

ITU Q.72:1993 Stage 2 Description For Packet Mode Services Provides the stage 2 descriptions for call set-up and release applicable to the packet mode virtual call services supported by an ISDN. The stage 2 descriptions are comprised of the switching function

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Table of Contents

0General
1X.25virtualcallandpermanentvirtualcircuit
bearerservice
1.1Scope
1.2References
1.3Definitions
1.4Symbolsandabbreviations
1.5Description(I.232.1)
1.6Derivationofthefunctionalmodel
1.7Informationflows
1.8SDLdiagramsforfunctionalentities
1.9Functionalentityactions(FEAs)
1.10Allocationoffunctionstophysicalentities
2Framemodevirtualcallandpermanentvirtual
circuitbearerservices
2.1Scope
2.2References
2.3Definitions
2.4Symbolsandabbreviations
2.5Description
2.6Derivationofthefunctionalmodel
2.7Informationflows
2.8SDLdiagramsforfunctionalentities
2.9Functionalentityactions(FEAs)
2.10Allocationoffunctionstophysicalentities

Abstract

Provides the stage 2 descriptions for call set-up and release applicable to the packet mode virtual call services supported by an ISDN. The stage 2 descriptions are comprised of the switching functions and signalling information flows.

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