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TS 42.068 (SA1)
VGCS – Voice Group Call Service Stage 1

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V14.0.0 (PDF)    2017/03    20 p.
V13.0.0    2016/01    20 p.
V12.0.0    2014/10    20 p.
V11.0.0    2012/09    20 p.
V10.0.0    2011/04    20 p.
V9.0.0    2009/12    20 p.
V8.7.0    2008/03    20 p.
V7.9.0    2008/03    19 p.
V6.1.0    2005/06    17 p.
V5.1.0    2005/06    17 p.
V4.2.0    2005/06    17 p.

Rapporteur:  Dr. Swetina, Joerg
Antecedent:  TS 02.68    
See also:  VGCS-related TS/TR    

This TS specifies the stage one 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 mobile service subscribers involved in the VGCS call per cell.

The VGCS is applicable to all mobile stations in a certain network and area which have the technical capability and the corresponding subscription, respectively, to participate in a VGCS call.

NOTE: It is not considered as requirement that normal GSM phase 2 mobile stations will be able to be used for this service.

The service is described from the service subscriber's and user's point of view; in particular:
  • the procedure for normal operation with successful outcome;
  • the action to be taken in exceptional circumstances;
  • the interaction with other GSM services and features.
This TS does not deal with the Man-Machine Interface (MMI) requirements, but makes reference to the appropriate Global System for Mobile Communications (GSM) specifications.

This TS defines a teleservice of the digital cellular telecommunications system GSM. Any interaction with other services and/or networks not dealt with in clauses 7 or 8 are outside the scope of this TS.


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1 Scope    2 References    3 Definitions and abbreviations    3.1 Definitions    3.2 Abbreviations    4 Description    5 Normal operation with successful outcome    5.1 Provision    5.2 Withdrawal    5.3 Network related service configuration    5.4 Normal operation for voice group call establishment    5.5 Charging requirements    5.6 Security requirements    6 Exceptional procedures or unsuccessful outcome    7 Interaction with other GSM services    7.1 Calling Line Identification Presentation (CLIP)    7.2 Calling Line Identification Restriction (CLIR)    7.3 Connected Line Identification Presentation (COLP)    7.4 Connected Line Identification Restriction (COLR)    7.5 Call Forwarding Unconditional (CFU)    7.6 Call Forwarding on mobile subscriber Busy (CFB)    7.7 Call Forwarding on No Reply (CFNRy)    7.8 Call Forwarding on mobile subscriber Not Reachable (CFNRc)    7.9 Call Waiting (CW)    7.10 Call Hold (HOLD)    7.11 Multi-party Service (MPTY)    7.12 Closed User Group (CUG)    7.13 Advice of Charge (AoC)    7.14 Barring of All Outgoing Calls (BAOC)    7.15 Barring of Outgoing International Calls (BOIC)    7.16 Barring of Outgoing International Calls except those to the Home PLMN country (BOIC-exHC)    7.17 Barring of All Incoming Calls (BAIC)    7.18 Barring of Incoming Calls when Roaming outside the home PLMN country (BIC-Roam)    7.19 Explicit Call Transfer (ECT)    7.20 Enhanced Multi-Level Precedence and Pre-emption service (eMLPP)    7.21 Short Message Service (SMS)    7.22 Operator Determined Barring (ODB)    7.23 Completion of Calls to Busy Subscribers (CCBS)    7.24 GPRS    8 Interworking considerations    A Change History   


1   Scope   PDF-p. 5
2   References
3   Definitions and abbreviations   PDF-p. 6
4   Description
5   Normal operation with successful outcome   PDF-p. 11
6   Exceptional procedures or unsuccessful outcome
7   Interaction with other GSM services   PDF-p. 13
8   Interworking considerations
A   Change History   PDF-p. 17      Up

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