Table of Contents

Intellectual Property Rights
Foreword
1 Scope
2 References
3 Definitions and abbreviations
  3.1 Definitions
  3.2 Abbreviations
4 General
  4.1 Overview
  4.2 Activation
  4.3 CCBS Recall and CCBS Call Set-up
  4.4 Deactivation
  4.5 Interrogation
Annex A (informative): Operation for Non-Supporting
                       MS's
                       A.0 Scope
                       A.1 MSs which do not support CCBS
                       A.2 CCBS Call Set-up for non
                           supporting MSs
                       A.3 Deactivation for non supporting
                           MSs
                       A.4 Interrogation for non supporting
                           MSs
Annex B (informative): Status of Technical Specification
                       GSM 04.93
History

Abstract

Gives the stage 3 description of the Completion of Calls to Busy Subscriber (CCBS) supplementary service. Specifies the procedures used at the radio interface (Reference point Um as defined in GSM 04.02) for normal operation, activation, deactivation, invocation and interrogation of the completion of calls to busy subscriber supplementary services.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	European Telecommunications Standards Institute
Pages
ISBN
Committee	SMG 3