통신망 디지털화의 원칙과 전략

Digitation of telecommunication network is to introduce digital transmission and switching components into the network. Although it is proved that digitatization is economical, it is not possible to digitalize the whole network in one step, because the initial investments and resources needed would be enormous. Digitalization will have to be a stepwixe. It is therefore important that each administration makes up its own digitalization strategy as to where, when and how the various stops of digitalization have to be taken.