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TS 44.068 (CT1)
Group Call Control (GCC) protocol

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(P) V14.0.0    2017/03    37 p.
(P) V13.0.0    2015/12    37 p.
(P) V12.0.0    2014/09    37 p.
(P) V11.0.0    2012/09    37 p.
(P) V10.0.0    2010/12    37 p.
(P) V9.0.0    2009/12    37 p.
(P) V8.0.0    2008/12    37 p.
(P) V7.2.0    2007/03    37 p.
(P) V6.0.0    2004/01    35 p.
(P) V5.0.1    2002/06    35 p.
(P) V4.3.0    2002/06    35 p.
(P) GSM Rel-99 v8.1.0    2000/03    31 p.
(P) GSM Rel-98 v7.2.0    2000/03    31 p.
(P) GSM Rel-97 v6.3.0    2000/03    31 p.
(P) GSM Rel-96 v5.5.0    2000/03    32 p.


Rapporteur:  Mr. Lauster, Reinhard
Antecedent:  TS 04.68    
See also:  VGCS-related TS/TR    


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



 

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1 Scope    2 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    8.3a IMMEDIATE SETUP 2    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    A Example of the coding of the user-user information after decompression of the originator-to-dispatcher information    B Change History   

 

1   Scope   PDF-p. 6
2   References
3   Definitions and abbreviations
4   Applicability
5   Main concepts
6   Elementary procedures for Group Call Control   PDF-p. 8
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
8   Message functional definitions and contents   PDF-p. 20
9   Contents of information elements value parts      Up
A   Example of the coding of the user-user information after decompression of the originator-to-dispatcher information   PDF-p. 34
B   Change History   PDF-p. 35

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