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Advanced Speech Call Items

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Abstract

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 words

GSM group calls broadcast calls priority pre-emption railways 

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References

  1. [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

Copyright information

© Kluwer Academic Publishers 2002

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