Table of Contents
2Three-PartyService(3PTY)
2.1Scope
2.2References
2.3Definitions
2.4Symbolsandabbreviations
2.5Description
2.6Derivationofthefunctionalmodel
2.7Informationflows
2.8SDLdiagramsforfunctionalentities
2.9Functionalentityactions(FEAs)
2.10Allocationoffunctionalentitiestophysical
locations Abstract
Provides the stage 2 service description of the Three-Party supplementary service. This service enables a user who is involved in at least two calls (one active call and at least one call on hold) to join the two calls together into a three-way conversation, i.e. a simultaneous communication between the served user and two other parties.