Table of Contents

Foreword
0 General
  0.1 Scope
  0.2 Normative references
  0.3 Definitions and abbreviations
1 Multi Party service (MPTY)
  1.1 Beginning the multi party service
  1.2 Managing an active multi party call
  1.3 Managing a held multi party call
  1.4 Managing a single call and a multi party call
  1.5 Adding extra remote parties
  1.6 Auxiliary states for MPTY
  1.7 Activation, deactivation, registration, erasure
      and interrogation
  1.8 Simultaneous use of multi party operations
History

Abstract

Specifies the procedures used at the radio interface (Reference point Um as defined in technical specification GSM 04.02) for normal operation and invocation of multi party supplementary services.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	European Telecommunications Standards Institute
Pages
ISBN
Committee	SMG 3
Supersedes	PRETS 300 568 : OCT 93