Advanced Speech Call Items
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This section describes the advanced speech call features, which are group and broadcast calls and priority and pre-emption. These services were standardised at the request of the international railway body but are available to all users.
Key wordsGSM group calls broadcast calls priority pre-emption railways
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- [Webb]W T Webb and R D Shenton, “Railway communications”, IEE Electronics and Communications Journal, Vol.6, No.4, Aug 1994, pp195–202.Google Scholar