TS 100 933 : 8.6.0

Intellectual Property Rights
Foreword
Foreword
1 Scope
2 References
3 Definitions and abbreviations
   3.1 Definitions
   3.2 Abbreviations
4 Main concepts
   4.1 Group definition
   4.2 Group conversations
5 General architecture
   5.1 Group Call Register (GCR)
   5.2 Voice group call responsibility
6 Compatibility issues
7 Transmission
   7.1 Transmission architecture
   7.2 Radio channels
   7.3 Data confidentiality
8 Information storage
   8.1 Information stored in the GCR
   8.2 Information managed per subscriber
   8.3 Information used for routing of dispatcher originated
        voice group calls
9 Identities
   9.1 Elementary identities for group calls
   9.2 Use of identities in the network
10 Operation and maintenance aspects
11 Function and information flows
   11.1 Group management
   11.2 Group membership management
   11.3 Call management
   11.4 Functional requirement of Anchor MSC
   11.5 Functional requirement of Relay MSC
   11.6 Functional requirement of GCR
   11.7 Functional requirement of VLR
12 Content of messages
   12.1 Messages on the B-interface (MSC-VLR)
   12.2 Messages on the E-interface (MSC-MSC)
   12.3 Messages on the I-interface (MSC-GCR)
Annex A (informative): Change History
History

Describes the stage two description of the Voice Group Call Service (VGCS) which allows speech conversation of a predefined group of service subscribers in half duplex mode on the radio link taking into account multiple subscribers involved in the group call per cell.