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Broadcast call

Particular service, referred to the voice call, that must be realized from the GSM-R (See), according to the performances ASCI (See). Telephone voice calls originate from a mobile or fixed user to mobile users identified through a group identity and located in a GSM cell (See) or pre-defined group of cells. Mobile listening users do not interact with the network and the number of listeners in a cell is unlimited. What is necessary for this procedure is configured according to the parameters of the call contained in a specific database, the Group Call Register (GCR); the GCR contains the list and the composition of the user groups and the list of cells in which the call must be activated for each group; broadcast calls differ from group calls (See) due to the fact that users cannot interact with each other

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