sending of a command usually sequential and possibly cyclic, from a central station to stations of a telecommunication network in order to alert each station to be ready to receive the message directed to it NOTE - This concept is applicable to mobile radio networks and also to other types of telecommunication network such as data transmission netw... Found on http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=713-03-46