Digital Switching in Telecom-Munication
Telecommunication networks carry information signals among entities, which are geographically far apart. An entity may be a computer or human being, a facsimile machine, a Tele-printer, a data terminal and so on. The entities are involved in the process of information Transfer which may be in the form of a telephone conversation (telephony) or a file transfer between two computers or message transfer between two terminals etc. Today it is almost truism to state that telecommunication systems are the symbol of the people information age. With the rapidly growing traffic and untargeted growth of cyberspace, telecommunication becomes a fabric of their life. The future challenges are enormous as the authors anticipate rapid growth items of new services and number of users.