When I lived there and was on MVFD we were dispatched by analog pager as was Valley from Action Communication. Also there was a pager in Regional West comm center. Don't know if their pagers have been upgraded to a newer digital style. Back then I programed the pager frequency in scanner and could hear all pager traffic, then did a tone search, programed that and just heard our dispatches. Probably have portable radios with tone dispatch now on DMR.