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TS 43.069 (CT1)
VBS – Voice Broadcast Service Stage 2

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V14.0.0 (PDF)  2017/03  103 p.
V13.0.0  2015/12  103 p.
V12.1.0  2015/09  101 p.
V11.4.0  2012/12  103 p.
V10.1.0  2012/03  82 p.
V9.2.0  2012/03  81 p.
V8.2.0  2012/03  81 p.
V7.7.0  2012/03  82 p.
V6.5.0  2007/03  60 p.
V5.5.0  2005/06  57 p.
V4.5.0  2005/06  54 p.

Rapporteur:  Mr. Lauster, Reinhard
Antecedent:  TS 03.69
See also:  VBS-related TS/TR

This TS specifies the stage 2 description of the Voice Broadcast Service (VBS) which allows the distribution of speech (or other signals which can be transmitted via the speech codec), generated by a service subscriber, into a predefined geographical area to all or a group of service subscribers located in this area.

Service subscribers can become group members on a PLMN wide basis to one or more groups pre-defined in the network by a corresponding group identification (group ID). The membership enables them to receive voice broadcast calls associated with that group ID. In addition, certain group members are entitled by their subscription to initiate voice broadcast calls. Certain dispatchers connected to external networks also require the capability to initiate or receive voice broadcast calls.

In addition to subscriber details in the HLR, it is necessary for the mobile station to be aware of its group membership by storing details on the SIM/USIM. This is required because it shall respond to notification messages which include only the group ID (i.e. no IMSI or TMSI details).

Having become a group member, each service subscriber can set to active state or deactive state the group ID or any one out of his several group IDs on the SIM/USIM. In active state the subscriber can initiate voice broadcast calls to that group ID. When in deactive state the subscriber can not make voice broadcast calls to the group and the mobile station ignores any notification for that group ID.

If no NCH (Notification Channel) is defined in the cell, mobiles shall assume VBS service is not available on that cell.


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1  Scope [R4]PDF-p. 7
2  References [R4]
3  Definitions and abbreviations [R4]PDF-p. 8
4  Main concepts [R4]
5  General architecture [R4]PDF-p. 13
6  Compatibility issues [R4]
7  Transmission [R4]PDF-p. 20
8  Information storage [R4]PDF-p. 23
9  Identities [R4]

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