Table of Contents
2Three-party(3PTY)
2.1Scope
2.2References
2.3Definitions
2.4Abbreviations
2.5Description
2.6Operationalrequirements
2.7Codingrequirements
2.8Statedefinitions
2.9Signallingrequirements
2.10ProceduresforinterworkingwithprivateISDN's
2.11Interactionswithothernetworks
2.12Interactionswithothersupplementaryservices
2.13Parametervalues(timers)
2.14Dynamicdescription(SDLs)
AppendixI-Signallingflows
I.1Requestforathree-wayconversation
I.2Disconnectionofoneremoteuser,andretention
oftheother
I.3Disconnectionofbothremoteusersandterminating
thecall
I.4Creationofaprivatecommunicationwitharemote
user
I.5Remoteuserterminatesthecall Abstract
Defines the operation of the Digital Subscriber Signalling System No. 1 (DSS 1) for the support of the Three-Party (3PTY) supplementary service at the T or the coincident S and T reference point of the Integrated Services Digital Network (ISDN).