This is a much better system. In the UK we've gone from using pagers (I still use one) to proprietary systems which don't talk to one another (Medic Bleep, Nerv

This is a much better system. In the UK we've gone from using pagers (I still use one) to proprietary systems which don't talk to one another (Medic Bleep, NerveCentre) in order to meet the ISO standard.