Table of Contents

Foreword
1 Scope
2 Normative references
3 Definitions and abbreviations
   3.1 Definitions
   3.2 Abbreviations
4 Applicability
5 Main concepts
6 Elementary procedures for Group Call Control
   6.1 Overview
   6.2 Procedures for establishment of a group call
   6.3 Procedures during the active state of a
       group call
   6.4 Procedures for release, abortion, and
       termination of a group call
   6.5 Miscellaneous procedures
7 Handling of unknown, unforeseen, and erroneous
   protocol data
   7.1 General
   7.2 Message too short
   7.3 Unknown or unforeseen transaction identifier
   7.4 Unknown or unforeseen message type
   7.5 Non-semantical mandatory information element
       errors
   7.6 Unknown and unforeseen information elements
       in the non-imperative message part
   7.7 Non-imperative message part errors
   7.8 Messages with semantically incorrect contents
8 Message functional definitions and contents
   8.1 CONNECT
   8.2 GET STATUS
   8.3 IMMEDIATE SETUP
   8.4 SET PARAMETER
   8.5 SETUP
   8.6 STATUS
   8.7 TERMINATION
   8.8 TERMINATION REJECT
   8.9 TERMINATION REQUEST
9 Contents of information elements value parts
   9.1 Protocol Discriminator
   9.2 Transaction identifier
   9.3 Message Type
   9.4 Other information elements
Annex A (Informative): Change Request History
History

Abstract

Describes the Group Call Control (GCC) protocol used by the Voice Group Call Service (VGCS) on the radio interface.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	European Telecommunications Standards Institute
Pages
ISBN
Committee	SMG 3
Supersedes	PRETS 300 948 : 5.0.1